Granted Patent
Utility
US 5,097,637 · App. 07/525,264
Multi-disc cutter and method of manufacture
Inventor:
Mark Shepherd
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: May 16, 1990
Inventor
Mark Shepherd
Assignee (at issue)
Xaar Limited
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.