Granted Patent
Utility
US 4,708,553 · App. 06/776,290
Large secondary head rivet
Inventors:
Joseph J. Braychak, John P. Casey
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Sep 16, 1985
Inventors
Joseph J. Braychak
John P. Casey
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.