Granted Patent
Utility
US 3,995,708 · App. 05/482,086
Knob assembly suitable for use in beam type weighing scales
Inventors:
William Y. Hutchinson, Walter P. Kushmuk
Patented Case
View Patent ↗
Granted: Dec 7, 1976
Filed: Jun 24, 1974
Inventors
William Y. Hutchinson
Walter P. Kushmuk
Assignee (at issue)
Continental Scale 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.