Granted Patent
Utility
US 4,445,536 · App. 06/380,526
Electronic-pneumatic circuit board coupling
Inventor:
John G. Willis
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: May 21, 1982
Inventor
John G. Willis
Assignee (at issue)
Linear Dynamics Inc.
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.