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: 2
Patent #:
Issue Dt:
04/10/2001
Application #:
09287793
Filing Dt:
04/07/1999
Inventors:
WILLIAM J. HILLEGAS, DAVID E. SOLOMON, GILBERT H. WUTTKE
Title:
MICROCARRIER BEADS HAVING A STYRENE COPOLYMER CORE AND A COVALENTLY LINKED TRI-METHYLAMINE EXTERIOR
Assignment: 1
Reel/Frame:
009978/0419Recorded: 05/26/1999Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/19/1999
Exec Dt:
04/19/1999
Exec Dt:
04/19/1999
Assignee:
4220 VARSITY DRIVE
ANN ARBOR, MICHIGAN 48108
Correspondent:
KENNETH I. KOHN, ESQ.
30500 NORTHWESTERN HIGHWAY
SUITE 410
FARMINGTON HILLS, MI 48334
Assignment: 2
Reel/Frame:
036345/0462Recorded: 08/18/2015Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/2014
Assignee:
25 HARBOR PARK DRIVE
PORT WASHINGTON, NEW YORK 11050
Correspondent:
PALL CORPORATION
25 HARBOR PARK DRIVE
PORT WASHINGTON, NY 11050

Search Results as of: 09/26/2025 10:34 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