Patent Assignment
Reel/Frame 003833/0206
Assignment of Assignors Interest.
Recorded: 1980-11-19
Pages: 1
Assignor
YAMAMURA AKIRA
Executed: 1980-11-11
Assignee
FERROFLUIDICS CORPORATION, A CORP. OF MASS.
40 SIMON ST., NASHUA,, NEW HAMPSHIRE, 03061
Covered Property
(1)
Ferrofluid Rotary-Shaft Seal Apparatus and Method
Patent:
4,357,023 →
Application:
06/208,289 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.