Granted Patent
Utility
US 4,354,735 · App. 06/106,761
Optical transducer
Inventors:
David W. Stowe, John D. Christian, deceased, Albert Christian, Martha R. Christian, heir, Ann L. Ziegler, heir, David Christian
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Dec 26, 1979
Inventors
David W. Stowe
John D. Christian, deceased
Albert Christian
Martha R. Christian, heir
Ann L. Ziegler, heir
David Christian
Assignee (at issue)
Gould 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.