Granted Patent
Utility
US 4,290,441 · App. 06/039,792
Control device and method of making the same
Inventors:
Douglas R. Scott, Larry V. Price
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: May 17, 1979
Inventors
Douglas R. Scott
Larry V. Price
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.