Granted Patent
Utility
US 4,245,142 · App. 05/766,018
Control unit and electrical switch construction therefor and methods of making such a control unit and electrical switch construction
Inventors:
Werner Bauer, William N. Smith
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Feb 7, 1977
Inventors
Werner Bauer
William N. Smith
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.