Granted Patent
Utility
US 4,373,318 · App. 06/163,216
Stacking device for hollow rivets
Inventors:
John Powderley, David John Brookes
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jun 26, 1980
Inventors
John Powderley
David John Brookes
Assignee (at issue)
USM Holding AG
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.