Granted Patent
Utility
US 5,324,151 · App. 08/038,788
Anti-rotational fastener
Inventors:
Robert G. Szudarek, Dhirendra C. Roy
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Mar 29, 1993
Inventors
Robert G. Szudarek
Dhirendra C. Roy
Assignee (at issue)
United Technologies Automotive
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.