Granted Patent
Utility
US 4,069,855 · App. 05/774,404
Captive panel fastener
Inventor:
George Petroshanoff
Patented Case
View Patent ↗
Granted: Jan 24, 1978
Filed: Mar 4, 1977
Inventor
George Petroshanoff
Assignee (at issue)
Tridair Industries
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.