Granted Patent
Utility
US 4,758,784 · App. 07/008,079
Air core gauge with zero pointer return related application
Inventors:
John D. Baker, Ray J. Gallagher
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Jan 27, 1987
Inventors
John D. Baker
Ray J. Gallagher
Assignee (at issue)
Stewart Warner 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.