IP Library Granted Patent US 4,384,176
Granted Patent Utility
US 4,384,176 · App. 06/316,559

Double acting switch

Inventor: Benjamin F. Chestnut
Patented Case View Patent ↗
Granted: May 17, 1983 Filed: Oct 30, 1981
Inventor
Benjamin F. Chestnut
Assignee (at issue)
Emhart Industries, Inc.

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.

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Quick Facts
Patent No.
US 4,384,176
App. No.
06/316,559
Filed
1981-10-30
Granted
1983-05-17
Kind
A