Granted Patent
Utility
US 4,493,690 · App. 06/459,563
Cam activated anti-dog-ear device
Inventors:
Josef W. Niemiro, Eugene Skipor
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Jan 20, 1983
Inventors
Josef W. Niemiro
Eugene Skipor
Assignee (at issue)
Rockwell International 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.