Granted Patent
Utility
US 4,313,261 · App. 06/111,452
Nut installation apparatus
Inventor:
Harold A. Ladouceur
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Jan 11, 1980
Inventor
Harold A. Ladouceur
Assignee (at issue)
Multifastener Corporation
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.