Granted Patent
Utility
US 4,674,729 · App. 06/775,974
Friction shock-absorbing assembly and method of making
Inventor:
William D. Wallace
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Sep 13, 1985
Inventor
William D. Wallace
Assignee (at issue)
American Standard 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.