Granted Patent
Utility
US 4,679,253 · App. 06/897,082
Shoulder pad truss arch system
Inventors:
Hal D. Mitchell, Donald R. Walker
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Aug 18, 1986
Inventors
Hal D. Mitchell
Donald R. Walker
Assignee (at issue)
Figgie Inernational Inc.
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.