Patent Assignment
Reel/Frame 005060/0247
Assignment of Assignors Interest.
Recorded: 1989-02-10
Pages: 5
Assignors
SPANGLER, GLENN E.
Executed: 1988-12-08
CARRICO, JOHN P. JR.
Executed: 1989-01-05
CAMPBELL, DONALD N.
Executed: 1989-01-25
Covered Property
(1)
Thermionic Ionization Source
Patent:
4,928,033 →
Application:
07/272,231 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.