Granted Patent
Utility
US 5,558,634 · App. 08/265,762
Apparatus for the removal of adherent viscoelastic
Inventor:
Paul Mitchell
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 27, 1994
Inventor
Paul Mitchell
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.