Patent Assignment
Reel/Frame 016630/0232
Release of Security Interest
Recorded: 2005-10-11
Pages: 8
Assignor
Assignee
PORTER INSTRUMENT COMPANY, INC.
245 TOWNSHIP LINE ROAD, P.O. BOX 907, HATFIELD, PENNSYLVANIA, 19440-0907
Covered Property
(1)
Air Valve for a Breathing System
Patent:
4,493,339 →
Application:
06/374,945 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.