Granted Patent
Utility
US 6,044,852 · App. 08/888,763
Parts washer
Inventors:
Bill George Epperson, Jr., Paul W. Linton, Hal Hardinge, David Allan Bergerud
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jul 7, 1997
Inventors
Bill George Epperson, Jr.
Paul W. Linton
Hal Hardinge
David Allan Bergerud
Assignee (at issue)
Landa Corporation 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.