Granted Patent
Utility
US 4,451,189 · App. 06/242,892
Bulb rivet
Inventor:
John D. Pratt
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Mar 12, 1981
Inventor
John D. Pratt
Assignee (at issue)
Monogram Industries 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.