Granted Patent
Utility
US 4,965,475 · App. 07/381,812
Offset adjust for moving coil transducer
Inventor:
Thomas O. Kautz
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Jul 19, 1989
Inventor
Thomas O. Kautz
Assignee (at issue)
Johnson Service 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.