Granted Patent
Utility
US 4,237,598 · App. 05/248,198
Manufacturing processes using machine tools
Inventor:
David T. Williamson
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Apr 27, 1972
Inventor
David T. Williamson
Assignees (at issue)
Molins Limited
John Mason Smith
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.