Granted Patent
Utility
US 4,899,034 · App. 07/259,189
Method of operating a control unit
Inventors:
Brian J. Kadwell, Daniel L. Fowler, Gregory F. Gawron
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Oct 18, 1988
Inventors
Brian J. Kadwell
Daniel L. Fowler
Gregory F. Gawron
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.