Patent Assignment
Reel/Frame 004104/0535
Assignment of Assignors Interest.
Recorded: 1983-01-27
Pages: 2
Assignee
PENNWALT CORPORATION; A CORP OF PA.
THREE PARKWAY,, PHILADELPHIA,, PENNSYLVANIA
Covered Property
(1)
Cathodic Protection Apparatus for Well Coated Metal Vessels Having a Gross Bare Area
Patent:
4,457,821 →
Application:
06/458,390 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.