skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : JEFFERIES, STEVEN R.
Total Assignments: 20
Assignment: 1
Reel/Frame:006677/0553   Pages: 6
Recorded: 09/07/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
03/28/1986
Assignee
1
COLLAGENIX CORPORATION
1005 SOUTH YORK LANE ANNAPOLIS, MD 21403
MARYLAND
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4394370
NONE
06304367
 
4409332
NONE
06338973
 
4472840
NONE
06430597
Correspondence name and address
SEEDE AND BERRY
DAVID J. MAKI
701 FIFTH AVENUE
SEATTLE, WA 98104-7092
Assignment: 2
Reel/Frame:004913/0211   Pages: 1
Recorded: 07/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JEFFERIES, STEVEN R.
Exec Dt:
05/11/1986
2
SPENCE, ROBERT J.
Exec Dt:
05/11/1986
Assignee
1
COLLAGENIX CORPORATION
1725 K STREET, N.W. SUITE 308
A MARYLAND CORP.
WASHINGTON, DISTRICT OF COLUMBIA 20006
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4772284
NONE
06845125
Correspondence name and address
ERIC P. SCHELLIN
2001 JEFFERSON DAVIS HWY.
STE. 301, CRYSTAL PLAZA 1
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:004709/0194   Pages: 2
Recorded: 04/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HARE, PAMELA H.
Exec Dt:
03/19/1987
2
JEFFERIES, STEVEN R.
Exec Dt:
03/19/1987
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
LAKEVIEW AND CLARK AVENUES
MILFORD, DELAWARE 19963
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4846165
NONE
06944476
Correspondence name and address
DAVID E. WHEELER
DENTSPLY INTERNATIONAL INC.
570 WEST COLLEGE AVENUE
YORK, PA 17405
Assignment: 4
Reel/Frame:004846/0683   Pages: 1
Recorded: 03/28/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUANG, CHIN-TEH
Exec Dt:
11/04/1987
2
JEFFERIES, STEVEN R.
Exec Dt:
11/04/1987
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
MILFORD, DELAWARE 19963
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4814423
NONE
07118373
Correspondence name and address
DAVID E. WHEELER
DENTSPLY INTERNATIONAL INC.
570 WEST COLLEGE AVE.
YORK, PA 17405
Assignment: 5
Reel/Frame:004926/0784   Pages: 1
Recorded: 07/21/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JEFFERIES, STEVEN R.
Exec Dt:
07/15/1988
2
HUANG, CHIN-TEH
Exec Dt:
07/15/1988
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP., LAKEVIEW AND CLARKE AVENUES, MILFORD, DE 19963
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4875858
NONE
07222686
Correspondence name and address
DAVID E. WHEELER
DENTSPLY INTERNATIONAL INC.
570 WEST COLLEGE AVENUE
YORK, PA 17405
Assignment: 6
Reel/Frame:004951/0784   Pages: 1
Recorded: 09/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JEFFERIES, STEVEN R.
Exec Dt:
08/30/1988
2
SMITH, ROY L.
Exec Dt:
08/30/1988
3
GREEN, RUSSELL D.
Exec Dt:
08/30/1988
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP., MILFORD, DE 19963
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5078754
NONE
07226582
Correspondence name and address
DAVID E. WHEELER
570 WEST COLLEGE AVENUE
YORK, PA 17405
Assignment: 7
Reel/Frame:004961/0193   Pages: 1
Recorded: 10/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
10/03/1988
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
LAKEVIEW AND CLARKE AVENUES
MILFORD, DELAWARE 19963
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4961706
NONE
07216050
Correspondence name and address
DAVID E. WHEELER
570 WEST COLLEGE AVE.
YORK, PA 17405
Assignment: 8
Reel/Frame:006062/0560   Pages: 4
Recorded: 03/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUANG, CHIN-TEH
Exec Dt:
03/24/1992
2
HAMMESFAHR, PAUL D.
Exec Dt:
03/24/1992
3
JEFFERIES, STEVEN R.
Exec Dt:
03/24/1992
4
LU, KEWANG
Exec Dt:
03/24/1992
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
LAKEVIEW AND CLARKE AVENUES
MILFORD, DELAWARE 19963
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5367002
NONE
07832202
Correspondence name and address
DALE R. LOVERCHECK
DENTSPLY INTERNATIONAL, INC.
570 WEST COLLEGE AVENUE
YORK, PA 17405
Assignment: 9
Reel/Frame:006879/0591   Pages: 3
Recorded: 02/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
01/20/1994
Assignees
1
SCHULDT, HARRY J.
2861 S.W. LAKE TERRACE
PALM CITY, FLORIDA 34990
2
JOCHUM, DONALD P.
1359 N.W. LAKESIDE TRAIL
STUART, FLORIDA 34994
3
JOCHUM, ALLAN J.
1825 N.W. FORK ROAD
STUART, FLORIDA 34994
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5478235
NONE
08148754
Correspondence name and address
EDWARD J. HANSON, JR., ESQUIRE
DENTSPLY INTERNATIONAL INC.
570 WEST COLLEGE AVENUE
YORK, PA 17404
Assignment: 10
Reel/Frame:007837/0122   Pages: 9
Recorded: 03/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEFFERIES, STEVEN R.
Exec Dt:
11/28/1995
2
CHEN, CHARLES C.
Exec Dt:
03/04/1996
Assignee
1
BIOCOLL LABORATORIES, INC.
SUITE 600
562 1ST AVENUE SOUTH
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5707962
NONE
08312091
Correspondence name and address
MORGAN & FINNEGAN, L.L.P.
CAROL M. GRUPPI
345 PARK AVENUE
NEW YORK, NEW YORK 10154-0053
Assignment: 11
Reel/Frame:007815/0244   Pages: 2
Recorded: 02/15/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
02/10/1996
Assignee
1
BIOCOLL LABORATORIES, INC. (CORPORATION OF WASHINGTON)
SUITE 600
562 FIRST AVENUE SOUTH
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4409332
NONE
06338973
Correspondence name and address
STANLEY D. SCHWARTZ, ESQ.
2001 JEFFERSON DAVIS HIGHWAY
1109 CRYSTAL PLAZA BLDG. 1
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:008116/0558   Pages: 4
Recorded: 09/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
08/29/1996
Assignee
1
BIOCOLL LABORATORIES, INC.
562 - 1ST AVENUE SOUTH
SUITE 600
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6311690
NONE
08470390
Correspondence name and address
MORGAN & FINNEGAN, L.L.P.
CAROL M. GRUPPI
345 PARK AVENUE
NEW YORK, NY 10154
Assignment: 13
Reel/Frame:008116/0665   Pages: 5
Recorded: 09/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFERIES, STEVEN R.
Exec Dt:
08/29/1996
Assignee
1
BIOCOLL LABORATORIES, INC.
SUITE 600
562 - 1ST AVENUE SOUTH
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020128722
08422745
Correspondence name and address
MORGAN & FINNEGAN, L.L.P.
CAROL M. GRUPPI
345 PARK AVENUE
NEW YORK, NY 10154
Assignment: 14
Reel/Frame:009251/0153   Pages: 3
Recorded: 06/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHARLES C.
Exec Dt:
05/26/1998
2
JEFFERIES, STEVEN R.
Exec Dt:
05/26/1998
Assignee
1
GENSCI REGENERATION LABORATORIES, INC.
8 PASTEUR, SUITE 100
IRVINE, CALIFORNIA 92618
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6180606
NONE
09006583
Correspondence name and address
LYON & LYON LLP
CAROL A. SCHNEIDER, PH.D.
633 WEST FIFTH STREET, SUITE 4700
LOS ANGELES, CA 90071-2066
Assignment: 15
Reel/Frame:009455/0242   Pages: 3
Recorded: 06/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHARLES C.
Exec Dt:
05/26/1998
2
JEFFERIES, STEVEN R.
Exec Dt:
05/26/1998
Assignee
1
GENSCI REGENERATION LABORATORIES, INC.
8 PASTEUR, SUITE 100
IRVINE, CALIFORNIA 92618
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6180605
NONE
09002674
Correspondence name and address
LYON & LYON LLP
CAROL A. SCHNEIDER, PH.D.
633 WEST FIFTH STREET, SUITE 4700
LOS ANGELES, CA 90071-2066
Assignment: 16
Reel/Frame:009910/0540   Pages: 3
Recorded: 04/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUBELKA, JOHN C.
Exec Dt:
03/11/1999
2
JEFFERIES, STEVEN R.
Exec Dt:
03/19/1999
3
KAPPERMAN, DONALD A.
Exec Dt:
04/05/1999
4
HAMMESFAHR, PAUL D.
Exec Dt:
04/07/1999
5
SILVER, PAUL A.
Exec Dt:
04/19/1999
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
2337 SOUTH YATES AVENUE
LOS ANGELES, CALIFORNIA 90040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6353040
NONE
09136320
Correspondence name and address
DENTSPY INTERNATIONAL INC.
DOUGLAS J. HURA, ESQUIRE
570 WEST COLLEGE AVENUE
YORK, PA 17405
Assignment: 17
Reel/Frame:010329/0115   Pages: 4
Recorded: 10/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, XIULING
Exec Dt:
09/10/1999
2
SUBELKA, JOHN C.
Exec Dt:
09/10/1999
3
JEFFERIES, STEVEN R.
Exec Dt:
09/24/1999
4
HAMMESFAHR, PAUL D.
Exec Dt:
09/10/1999
5
SILVER, PAUL A.
Exec Dt:
09/21/1999
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORPORATION
2337 SOUTH YATES AVENUE
LOS ANGELES, CALIFORNIA 90040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6262142
NONE
09351532
Correspondence name and address
DENTSPLY INTERNATIONAL, INC.
DALE R. LOVERCHECK, ESQ.
570 WEST COLLEGE AVENUE
YORK, PENNSYLVANIA 17405
Assignment: 18
Reel/Frame:013285/0509   Pages: 2
Recorded: 09/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAMEIJER, CORNELIS
Exec Dt:
09/05/2002
2
JEFFERIES, STEVEN R.
Exec Dt:
09/05/2002
Assignee
1
DENTSPLY RESEARCH & DEVELOPMENT CORP.
2337 SOUTH YATES AVENUE
LOS ANGELES, CALIFORNIA 90040
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030000970
10162021
Correspondence name and address
DENTSPY INTERNATIONAL INC.
DOUGLAS J. HURA, ESQ.
570 WEST COLLEGE AVENUE
YORK, PENNSYLVANIA 17405
Assignment: 19
Reel/Frame:028717/0928   Pages: 5
Recorded: 08/03/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRIMUS, CAROLYN M.
Exec Dt:
07/07/2008
2
GUTMANN, JAMES L
Exec Dt:
07/14/2008
3
BREUER, MIKLOS M
Exec Dt:
07/09/2008
4
JEFFERIES, STEVEN R.
Exec Dt:
07/12/2008
Assignee
1
DENTSPLY INTERNATIONAL INC.
221 WEST PHILADELPHIA STREET, SUITE 60W
YORK, PENNSYLVANIA 17401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8658712
US20110104644
12069359
Correspondence name and address
DAVID A. ZDURNE
221 WEST PHILADELPHIA STREET, SUITE 60W
YORK, PA 17401
Assignment: 20
Reel/Frame:043438/0847   Pages: 6
Recorded: 08/29/2017
Attorney Dkt #:TUL-164-CON / 08563-0412
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRIMUS, CAROLYN M.
Exec Dt:
07/07/2008
2
GUTMANN, JAMES L.
Exec Dt:
07/14/2008
3
BREUER, MIKLOS M.
Exec Dt:
07/09/2008
4
JEFFERIES, STEVEN R.
Exec Dt:
07/12/2008
Assignee
1
DENTSPLY INTERNATIONAL INC.
221 WEST PHILADELPHIA STREET
YORK, PENNSYLVANIA 17405-0872
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9801792
US20140121280
14149340
Correspondence name and address
KERRI J. SMITH, PARALEGAL
100 PINE STREET
P.O. BOX 1166
HARRISBURG, PA 17108-1166

Search Results as of: 06/20/2024 03:25 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT