Patent Assignment
Reel/Frame 005109/0227
Assignment of Assignors Interest.
Recorded: 1989-07-24
Pages: 1
Assignor
SPRAGUE, SHERMAN J.
Executed: 1989-07-05
Assignee
Covered Property
(1)
Method for Inhibiting Scale and Corrosion in Water Systems
Patent:
4,978,456 →
Application:
07/383,725 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.