Granted Patent
Utility
US 5,040,545 · App. 07/600,627
Releasable lock assembly
Inventors:
Robert G. Dutcher, John C. Hill
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Oct 22, 1990
Inventors
Robert G. Dutcher
John C. Hill
Assignee (at issue)
Possis Medical, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.