Granted Patent
Utility
US 6,722,528 · App. 10/097,985
Rotary pneumatic actuator
Inventor:
Hans D. Baumann
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Mar 14, 2002
Inventor
Hans D. Baumann
Assignee (at issue)
Fisher Controls International LLC
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.