Granted Patent
Utility
US 6,718,285 · App. 10/011,331
Operator replaceable component life tracking system
Inventors:
Thomas L. Schwartz, Richard Carling, Kenneth Doty
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Nov 5, 2001
Inventors
Thomas L. Schwartz
Richard Carling
Kenneth Doty
Assignee (at issue)
NexPress Solutions LLC
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.