Granted Patent
Utility
US 5,469,877 · App. 08/101,745
Electric to pneumatic transducer
Inventor:
Andy R. Askew
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Aug 4, 1993
Inventor
Andy R. Askew
Assignee (at issue)
Fairchild Industrial Products Company
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.