Granted Patent
Utility
US 4,353,050 · App. 06/159,291
Displacement measuring transducer
Inventors:
Alan Pelczyk, Robert F. Purssell, Alfred J. Woollard, Albert L. Fowler, David M. Walker, Alan G. Henderson, Alastair K. Stevenson
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Jun 13, 1980
Inventors
Alan Pelczyk
Robert F. Purssell
Alfred J. Woollard
Albert L. Fowler
David M. Walker
Alan G. Henderson
Alastair K. Stevenson
Assignee (at issue)
RANCO CO., Ltd.
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.