Granted Patent
Utility
US 4,332,333 · App. 06/170,502
Puncture spike handle
Inventor:
Mark Linsey
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Jul 21, 1980
Inventor
Mark Linsey
Assignee (at issue)
American Hospital Supply Corp.
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.