Granted Patent
Utility
US 4,784,537 · App. 07/144,742
Multiple tooth thread milling apparatus
Inventor:
Brian Baker
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Jan 19, 1988
Inventor
Brian Baker
Assignee (at issue)
GTE Valeron Corporation
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.