Granted Patent
Utility
US 4,337,664 · App. 06/156,710
Pressure gauge construction
Inventors:
Frederick M. Kipp, Richard H. Wetterhorn
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Jun 5, 1980
Inventors
Frederick M. Kipp
Richard H. Wetterhorn
Assignee (at issue)
Dresser Industries, 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.