Granted Patent
Utility
US 4,297,545 · App. 06/112,604
Switching means for a timing mechanism
Inventor:
Ronald G. Darner
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jan 16, 1980
Inventor
Ronald G. Darner
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.