Granted Patent
Utility
US 6,773,237 · App. 09/939,943
Air compressor workbench
Inventors:
Timothy W. Burford, Andrew J. Kopel
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Aug 27, 2001
Inventors
Timothy W. Burford
Andrew J. Kopel
Assignee (at issue)
Coleman Powermate, 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.