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

Total Assignments: 3
Patent #:
5134057
Issue Dt:
07/28/1992
Application #:
07419310
Filing Dt:
10/10/1989
Inventors:
MARTINUS H. KUYPERS, GERARDUS F. J. STEEGHS, EGBERT BRINKMANN
Title:
METHOD OF PROVIDING A SUBSTRATE WITH A LAYER COMPRISING A POLYVINYL BASED HYDROGEL AND A BIOCHEMICALLY ACTIVE MATERIAL
Assignment: 1
Reel/Frame:
005368/0234Recorded: 05/21/1990Pages: 15
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
PPG BIOMEDICAL SYSTEMS, INC., A CORP. OF DE.
Exec Dt:
09/26/1989
Assignee:
PPG INDUSTRIES, INC., A CORP. OF PA.
PENNSYLVANIA
Correspondent:
KENNETH J. STACHEL
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA. 15272
Assignment: 2
Reel/Frame:
005155/0590Recorded: 10/10/1989Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
KUYPERS, MARTINUS H.
Exec Dt:
09/29/1989
STEEGHS, GERARDUS F. J.
Exec Dt:
09/29/1989
BRINKMANN, EGBERT
Exec Dt:
09/29/1989
Assignee:
PPG BIOMEDICAL SYSTEMS, INC.
PITTSBURGH, PENNSYLVANIA
Correspondent:
PATENT DEPARTMENT
PPG INDUSTRIES, INC.,
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 3
Reel/Frame:
005822/0550Recorded: 09/03/1991Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
PPG INDUSTRIES, INC.
Exec Dt:
08/16/1991
Assignee:
DRAGER NEDERLAND B.V.
Correspondent:
MCGLEW AND TUTTLE, P.C.
SCARBOROUGH STATION
SCARBOROUGH, N. Y. 01510-0827

Search Results as of: 05/31/2024 06:35 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