Granted Patent
Utility
US 4,694,932 · App. 06/895,696
Structural support shoe and method of manufacturing the same
Inventor:
Thomas J. Schmitt
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: Aug 12, 1986
Inventor
Thomas J. Schmitt
Assignee (at issue)
Emerson Electric Co.
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.