Granted Patent
Utility
US 4,921,370 · App. 07/211,986
Tube connector
Inventors:
Milton E. Handler, Herbert Baisch
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Jun 27, 1988
Inventors
Milton E. Handler
Herbert Baisch
Assignee (at issue)
The Hirsh 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.