Granted Patent
Utility
US 4,126,215 · App. 05/752,504
Sealed electromagnetic torque translating device
Inventor:
John F. Puro
Patented Case
View Patent ↗
Granted: Nov 21, 1978
Filed: Dec 20, 1976
Inventor
John F. Puro
Assignee (at issue)
Facet Enterprises, Incorporated
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.