Granted Patent
Utility
US 3,992,107 · App. 05/608,293
Automatic flat width control
Inventor:
Larry H. Loy
Patented Case
View Patent ↗
Granted: Nov 16, 1976
Filed: Aug 27, 1975
Inventor
Larry H. Loy
Assignee (at issue)
Union Carbide 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.