Patent Assignment
Reel/Frame 004436/0654
Assignment of Assignors Interest.
Recorded: 1985-05-31
Pages: 3
Assignors
ROBERTSON, JOHN S.
Executed: 1985-05-29
LI PUMA, MILDRED M.
Executed: 1985-05-30
GROSS, STEPHEN E.
Executed: 1985-05-30
Assignee
MAVILLE SERVICE CORORATION, A CORP. OF DE.
KEN-CARYL RANCH, JEFFERSON, COLORADO
Covered Property
(1)
Preparation of Catalyst Supports and Materials Produced Thereby
Patent:
4,581,338 →
Application:
06/740,121 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 27, 1986
From: MANVILLE PRODUCTS CORPORATION; MANVILLE SERVICE CORPORATION; MANVILLE BUILDING MATERIALS CORPORATION (INTO); JOHNS-MANVILLE SALES CORPORATION (CHANGED TO)
To: MANVILLE SALES CORPORATION
Reel/Frame 004622/0001 →
Merger
Jun 25, 1991
From: MANVILLE PRODUCTS CORPORATION (MERGED INTO); MANVILLE SERVICE CORPORATION (MERGED INTO); MANVILLE BUILDING MATERIALS CORPORATION (MERGED INTO); JOHNS-MANVILLE SALES CORPORATION (CHANGED INTO)
To: MANVILLE SALES CORPORATION
Reel/Frame 005743/0992 →