Granted Patent
Utility
US 6,497,567 · App. 09/411,292
Multi-purpose processing apparatus
Inventors:
Kurt Eschenfelder, Loren R. Johansen, Michael D. McElhatton, Michael Ruminski
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 4, 1999
Inventors
Kurt Eschenfelder
Loren R. Johansen
Michael D. McElhatton
Michael Ruminski
Assignee (at issue)
Serigraph 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.