Patent Assignment
Reel/Frame 006831/0316
Merger
Recorded: 1994-01-24
Pages: 3
Assignor
JOHNS-MANVILLE CORPORATION
Executed: 1989-12-20
Assignee
MANVILLE SALES CORPORATION
717 SEVENTEENTH STREET, DENVER, COLORADO, 80202
Covered Properties
(2)
Asphalt Shingle for Simulating a Tiled Roof
Patent:
4,274,243 →
Application:
05/970,720 →
Method and Apparatus for Manufacturing a Laminated Shingle
Patent:
4,233,100 →
Application:
06/054,198 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.