Granted Patent
Utility
US 4,982,607 · App. 07/501,224
Composite cylinder for a mini oil pressure transducer
Inventors:
Joseph T. Betterton, Alfred H. Glover, Thomas S. McKee
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Mar 29, 1990
Inventors
Joseph T. Betterton
Alfred H. Glover
Thomas S. McKee
Assignee (at issue)
Acustar, 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.