Granted Patent
Utility
US 4,329,121 · App. 06/128,239
Force delivering hand tool
Inventor:
Jack T. Gregory
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Mar 7, 1980
Inventor
Jack T. Gregory
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.