Granted Patent
Utility
US 4,767,248 · App. 06/840,733
Fastener for securing panels of composite materials
Inventor:
John D. Pratt
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Mar 18, 1986
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.