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 : PERLOFF, DAVID S.
Total Assignments: 8
Assignment: 1
Reel/Frame:004418/0593   Pages: 3
Recorded: 04/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MALLORY, CHESTER
Exec Dt:
04/23/1985
2
PERLOFF, DAVID S.
Exec Dt:
04/23/1985
3
PHAM, HUNG V.
Exec Dt:
04/23/1985
4
DROBLISCH, SANDOR
Exec Dt:
04/23/1985
Assignee
1
PROMETRIX CORPORATION A CORP OF CA
3255 SCOTT BLVD.
SANTA CLARA, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4755746
NONE
06726498
Correspondence name and address
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
STE. 3400, FOUR EMBARCADERO CTR.
SAN FRANCISCO, CA 94111
Assignment: 2
Reel/Frame:004441/0001   Pages: 3
Recorded: 04/30/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LANE, LESLIE A.
Exec Dt:
04/30/1985
2
LYBECK, LYNN V.
Exec Dt:
04/30/1985
3
PERLOFF, DAVID S.
Exec Dt:
04/30/1985
4
MALLORY, CHESTER L.
Exec Dt:
04/30/1985
Assignee
1
PROMETRIX CORP., SANTA CLARA, CALIFORNIA, A CORP OF CA.
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4679137
NONE
06729153
Correspondence name and address
FLEHR, HOHBACH, TEST, ALBRITTON,
& HERBERT, STE. 3400
FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111
Assignment: 3
Reel/Frame:004548/0318   Pages: 2
Recorded: 02/24/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PERLOFF, DAVID S.
Exec Dt:
02/11/1986
2
MALLORY, CHESTER
Exec Dt:
02/11/1986
Assignee
1
PROMETRIX CORPORATION
3255 SCOTT BLVD.,
A CORP OF CA.
SANTA CLARA, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4703252
NONE
06704296
Correspondence name and address
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
STE. 3400,
FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111
Assignment: 4
Reel/Frame:004622/0403   Pages: 3
Recorded: 10/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LANE, LESLIE A.
Exec Dt:
07/14/1986
2
LYBECK, LYNN V.
Exec Dt:
07/30/1986
3
PERLOFF, DAVID S.
Exec Dt:
07/07/1986
4
MALLORY, CHESTER L.
Exec Dt:
07/14/1986
Assignee
1
PROMETRIX CORPORATION
3255 SCOTT BLVD.
A CORP. OF CA
SANTA CLARA, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4805089
NONE
06864024
Correspondence name and address
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
STE. 3400, FOUR EMBARCADERO CTR.
SAN FRANCISCO, CA 94111
Assignment: 5
Reel/Frame:004714/0271   Pages: 3
Recorded: 05/15/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LANE, LESLIE A.
Exec Dt:
05/15/1987
2
LYBECK, LYNN V.
Exec Dt:
05/15/1987
3
PERLOFF, DAVID S.
Exec Dt:
05/15/1987
4
KUMAGAI, SHOJI
Exec Dt:
05/15/1987
Assignee
1
PROMETRIX CORPORATION, SANTA CLARA, CA., A CORP. OF CA.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4873623
NONE
07050925
Correspondence name and address
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
SUITE 3400, FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111
Assignment: 6
Reel/Frame:005262/0647   Pages: 4
Recorded: 03/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LANE, LESLIE A.
Exec Dt:
02/27/1990
2
LYBECK, LYNN V.
Exec Dt:
02/27/1990
3
PERLOFF, DAVID S.
Exec Dt:
02/27/1990
4
MALLORY, CHESTER L.
Exec Dt:
02/27/1990
Assignee
1
PROMETRIX CORPORATION, A CORP. OF CA.
SANTA CLARA, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4951190
NONE
07375878
Correspondence name and address
GARY S. WILLIAMS
FLEHR, HOHBACH, TEST, ALBRITTON &
HERBERT
FOUR EMBARCADERO CENTER, STE. 3400
SAN FRANCISCO, CA 94111
Assignment: 7
Reel/Frame:005595/0266   Pages: 5
Recorded: 01/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BAKER, MICHAEL K.
Exec Dt:
01/25/1991
2
LANE, LESLIE A.
Exec Dt:
01/25/1991
3
PERLOFF, DAVID S.
Exec Dt:
01/25/1991
4
FREEDLAND, ALEXANDER
Exec Dt:
01/25/1991
Assignee
1
PROMETRIX CORPORATION, A CORP. OF CA
SANTA CLARA,, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5226118
NONE
07647742
Correspondence name and address
FLEHR, HOHBACH, TEST, ALBRITTON
AND HERBERT
SUITE 3400
FOUR EMBARCADERO CTR.,
SAN FRANCISCO, CA 94111
Assignment: 8
Reel/Frame:012890/0365   Pages: 3
Recorded: 05/10/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARSON, PAUL E.
Exec Dt:
04/25/2002
2
MOULDER, JOHN F.
Exec Dt:
04/24/2002
3
WATSON, DAVID G.
Exec Dt:
04/25/2002
4
PERLOFF, DAVID S.
Exec Dt:
04/30/2002
Assignee
1
PHYSICAL ELECTRONICS, INC.
6509 FLYING CLOUD DRIVE
EDEN PRAIRIE, MINNESOTA 55344
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030080291
10003224
Correspondence name and address
MUETING, RAASCH & GEBHARDT, P.A.
MARK J. GEBHARDT
P.O. BOX 581415
MINNEAPOLIS, MN 55458-1415

Search Results as of: 06/04/2024 12:46 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