Granted Patent
Utility
US 5,809,605 · App. 08/835,795
Squeegee assembly
Inventor:
Donald Gringer
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Apr 15, 1997
Inventor
Donald Gringer
Assignee (at issue)
ALLWAY TOOLS, 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.