Granted Patent
Utility
US 4,576,194 · App. 06/602,018
Pneumatic control system, control means therefor and method of making the same
Inventors:
William L. Lucas, Clarence M. Asbill, III, Gerald L. Frank, David M. Miller
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Apr 19, 1984
Inventors
William L. Lucas
Clarence M. Asbill, III
Gerald L. Frank
David M. Miller
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.