Granted Patent
Utility
US 4,234,801 · App. 05/880,089
Control system utilizing momentary switching devices
Inventor:
James E. Small
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Feb 22, 1978
Inventor
James E. Small
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.