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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : FILTERTEK, INC.
Total Assignments: 17
Assignment: 1
Reel/Frame:003906/0339   Pages: 3
Recorded: 06/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEASON, HAYDEN
Exec Dt:
06/23/1981
Assignee
1
FILTERTEK, INC.
A CORP. OF IL
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4400277
NONE
06277323
Correspondence name and address
JOHN J. PAVLAK
HUME, CLEMENT, BRINKS, WILLIAN & OLDS
LTD., P. O. BOX NO. 10395
CHICAGO, IL 60610
Assignment: 2
Reel/Frame:004026/0226   Pages: 2
Recorded: 08/23/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEASON, HAYDEN L.
Exec Dt:
06/09/1982
Assignee
1
FILTERTEK, INC.
A CORP. OF IL
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4414172
NONE
06380565
Correspondence name and address
ROBERT M. BARRETT
HUME, CLEMENT, BRINKS, WILLIAN
& OLDS, LTD.
P. O. BOX 10395
CHICAGO, IL 60610
Assignment: 3
Reel/Frame:004072/0341   Pages: 3
Recorded: 11/26/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEASON, HAYDEN L.
Exec Dt:
11/22/1982
Assignee
1
FILTERTEK, INC.
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4547190
NONE
06444840
Correspondence name and address
HUME, CLEMENT, BRINKS, ET AL
ONE IBM PLAZA, SUITE 4100
CHICAGO, ILL. 60611
Assignment: 4
Reel/Frame:004521/0904   Pages: 2
Recorded: 03/05/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEASON, HAYDEN
Exec Dt:
01/30/1986
Assignee
1
FILTERTEK, INC.
A CORP. OF DE.
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4113627
NONE
05798644
Correspondence name and address
WILLIAN BRINKS OLDS HOFER, ET AL
ONE IBM PLAZA
SUITE 4100
CHICAGO, ILLINOIS 60611-3668
Assignment: 5
Reel/Frame:005089/0631   Pages: 3
Recorded: 06/08/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
RUSCHKE, RICKY R.
Exec Dt:
05/19/1989
Assignee
1
FILTERTEK, INC.
A CORP. OF DE.
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4966199
NONE
07363602
Correspondence name and address
WILLIAN BRINKS OLDS HOFER
GILSON & LIONE LTD.
P. O. BOX 10395
CHICAGO, IL 60610
Assignment: 6
Reel/Frame:005123/0767   Pages: 5
Recorded: 07/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEASON, HAYDEN
Exec Dt:
06/07/1989
2
CAIN, THOMAS A.
Exec Dt:
06/07/1989
3
BOAST, ANDREW J.
Exec Dt:
06/07/1989
Assignee
1
FILTERTEK, INC.
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5049274
NONE
07345783
Correspondence name and address
STEVEN P. SHURTZ
WILLIAN, BRINKS, OLDS, HOFER,
GILSON & LIONE, LTD.
P. O. BOX 10395
CHICAGO, IL 60610
Assignment: 7
Reel/Frame:005510/0007   Pages: 4
Recorded: 11/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAIN, THOMAS A.
Exec Dt:
09/17/1990
Assignee
1
FILTERTEK, INC.
A CORP OF DE
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5049271
NONE
07572761
Correspondence name and address
STEVEN P. SHURTZ
WILLIAN BRINKS OLDS ET AL
455 NORTH CITYFRONT PLAZA DRIVE
SUITE 3600
CHICAGO, IL 60611-5599
Assignment: 8
Reel/Frame:006691/0998   Pages: 2
Recorded: 08/30/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KAY, RONALD J.
Exec Dt:
08/08/1993
Assignee
1
FILTERTEK, INC.
P.O. BOX 310
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5417860
NONE
08113998
Correspondence name and address
VEDDER, PRICE, KAUFMAN & KAMMHOLZ
THOMAS C. MCDONOUGH
222 NORTH LASALLE STREET
CHICAGO, ILLINOIS 60601
Assignment: 9
Reel/Frame:006679/0223   Pages: 4
Recorded: 08/23/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NAUSEDA, LAVERGNE
Exec Dt:
08/12/1993
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D363801
NONE
29012078
Correspondence name and address
WILLIAN BRINKS OLDS HOFER GILSON & LIONE
STEVEN P. SHURTZ, ESQ.
P.O. BOX 10395
CHICAGO, ILLINOIS 60610
Assignment: 10
Reel/Frame:006972/0985   Pages: 3
Recorded: 04/26/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RUSCHKE, RIEK R.
Exec Dt:
04/25/1994
Assignee
1
FILTERTEK, INC.
11411 E. PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5556541
NONE
08233068
Correspondence name and address
STEVEN P. SHURTZ
WILLIAN, BRINKS, HOFER, ET AL.
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 11
Reel/Frame:007636/0808   Pages: 4
Recorded: 08/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DAVIS, RALPH L.
Exec Dt:
08/14/1995
Assignee
1
FILTERTEK, INC.
P.O. BOX 310 PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5741134
NONE
08479135
Correspondence name and address
WILLIAN BRINKS HOFER GILSON & LIONE
MICHAEL P. CHU
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 12
Reel/Frame:007960/0156   Pages: 4
Recorded: 05/16/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DAVIS, RALPH L.
Exec Dt:
02/12/1996
Assignee
1
FILTERTEK, INC.
P.O. BOX 310 PRICE RD.
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5688121
NONE
08547028
Correspondence name and address
BRINKS, HOFER, GILSON & LIONE
MICHAEL F. CHU
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 13
Reel/Frame:008336/0865   Pages: 4
Recorded: 02/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BOAST, ANDREW J.
Exec Dt:
01/10/1997
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5766469
NONE
08734522
Correspondence name and address
BRINKS, HOFER, GILSON & LIONE
BRADLEY G. LANE
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 14
Reel/Frame:008327/0711   Pages: 4
Recorded: 01/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUSCHKE, RICKY R.
Exec Dt:
01/13/1997
2
LEAHEY, JOHN A.
Exec Dt:
01/13/1997
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5827429
NONE
08588231
Correspondence name and address
BRINKS HOFER GILSON & LIONE
STEVEN P. SHURTZ
P.O. BOX 10395
CHICAGO, ILLINOIS 60610
Assignment: 15
Reel/Frame:008338/0271   Pages: 4
Recorded: 02/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOFF, WILLIAM B.
Exec Dt:
01/23/1997
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS 60034
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5766469
NONE
08734522
Correspondence name and address
BRINKS HOFER GILSON & LIONE
BRADLEY G. LANE
P.O. BOX 10395
CHICAGO, ILLINOIS 60610
Assignment: 16
Reel/Frame:010667/0784   Pages: 4
Recorded: 10/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARTH, STEVE C.
Exec Dt:
10/19/1999
2
DAVIS, RALPH L.
Exec Dt:
10/21/1999
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6228069
NONE
09286280
Correspondence name and address
BRINKS HOFER GILSON & LIONE
MICHAEL E. MILZ
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 17
Reel/Frame:010482/0593   Pages: 5
Recorded: 10/27/1994
Conveyance: SEE RECORDING AT REEL 010667 FRAME 0784 (DOCUMENT RECORDED OVER TO CORRECT THE RECORDATION DATE FROM 10/27/1994 TO 10/27/1999)
Assignors
1
BARTH, STEVE C.
Exec Dt:
10/21/1999
2
DAVIS, RALPH L.
Exec Dt:
10/19/1999
Assignee
1
FILTERTEK, INC.
11411 PRICE ROAD
HEBRON, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6228069
NONE
09286280
Correspondence name and address
BRINKS HOFER GILSON & LIONE
MICHAEL E. MILZ
PO BOX 10395
CHICAGO, IL 60610

Search Results as of: 06/22/2024 04:04 PM
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