Patent Assignment
Reel/Frame 013983/0867
Assignment of Assignor's Interest
Recorded: 2003-04-18
Pages: 3
Assignee
POWELL FABRICATION & MANUFACTURING, INC.
740 EAST MONROE, ST. LOUIS, MICHIGAN, 48880
Covered Property
(1)
Valve closure system and valve closure assembly
Application:
10/418,693 →
Publication:
US 2003/0197146
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.