Patent Assignment
Reel/Frame 003983/0680
Assignment of Assignors Interest.
Recorded: 1982-05-11
Pages: 1
Assignor
WEISSMAN, BARRY J.
Executed: 1977-10-13
Assignee
DORR-OLIVER INCORPORATED, A CORP. OF DE.
77 HAVEMEYER LANE,, STAMFORD,, CONNECTICUT, 06904
Covered Property
(1)
Ultrafiltration Process for the Preparation of Cream Cheese
Patent:
4,341,801 →
Application:
05/842,654 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Aug 24, 1989
From: GRACE MERGER CORP. A CT CORP. (MERGED INTO); W. R. GRACE & CO. A CT. CORP.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 005206/0001 →
Assignment of Assignor's Interest
Jun 9, 1997
From: W.R. GRACE & CO.-CONN. AND AMICON,INC.
To: MILLIPORE INVESTMENT HOLDINGS LIMITED
Reel/Frame 008587/0224 →