Granted Patent
Utility
US 4,304,262 · App. 06/133,043
Device for controlling actuators by means of pneumatic pulses
Inventor:
Friedrich Icking
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Mar 24, 1980
Inventor
Friedrich Icking
Assignee (at issue)
Westfalia Separator GmbH
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.