Granted Patent
Utility
US 4,653,308 · App. 06/795,989
Adjustable lever operated riveter
Inventor:
Jack T. Gregory
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Nov 6, 1985
Inventor
Jack T. Gregory
Assignee (at issue)
The Gregory 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.