Granted Patent
Utility
US 5,212,848 · App. 07/851,173
Squeegee blade
Inventor:
Robert A. Geyer
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Mar 13, 1992
Inventor
Robert A. Geyer
Assignee (at issue)
TENNANT COMPANY
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.