Granted Patent
Utility
US 6,536,999 · App. 09/949,751
Gear cutter blade
Inventors:
Joseph Bradfield, Robert W. Sullivan
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Sep 12, 2001
Inventors
Joseph Bradfield
Robert W. Sullivan
Assignee (at issue)
Torque-Traction Technologies 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.