Patent Assignment
Reel/Frame 004140/0659
Assignment of Assignors Interest.
Recorded: 1983-06-13
Pages: 2
Assignor
HIRSCHFELD, TOMAS B.
Executed: 1983-05-31
Assignee
BLOCK, MYRON J.
334 NORTH MAIN ST., NORTH SALEM, NEW HAMPSHIRE
Covered Property
(1)
Assay Apparatus and Methods
Patent:
4,558,014 →
Application:
06/503,500 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.