Granted Patent
Utility
US 5,896,458 · App. 08/804,802
Sticky leveler
Inventor:
Donn R. Werrbach
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Feb 24, 1997
Inventor
Donn R. Werrbach
Assignee (at issue)
Aphex Systems, Ltd.
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.