Granted Patent
Utility
US 4,396,319 · App. 06/218,474
Adjustable insert cartridge
Inventor:
Wilbur N. Miles
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Dec 22, 1980
Inventor
Wilbur N. Miles
Assignee (at issue)
Erickson Tool Company
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.