Granted Patent
Utility
US 4,414,983 · App. 06/294,126
Medico-surgical instruments
Inventors:
John M. Evans, Keith Gilroy
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Aug 19, 1981
Inventors
John M. Evans
Keith Gilroy
Assignees (at issue)
John Raymond Evans
Smiths Industries Public Limited Company
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.