Granted Patent
Utility
US 6,637,997 · App. 09/951,197
Capstan for handling slitting tools
Inventors:
Rick L. Ahrns, Robert L. Schmiesing
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Sep 11, 2001
Inventors
Rick L. Ahrns
Robert L. Schmiesing
Assignee (at issue)
Blue IP, 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.