Granted Patent
Utility
US 4,335,321 · App. 06/103,800
Electronic balance control circuit arrangement
Inventors:
Michael D. Lyons, Richard Strobel
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Dec 14, 1979
Inventors
Michael D. Lyons
Richard Strobel
Assignee (at issue)
American Standard 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.