Granted Patent
Utility
US 4,495,382 · App. 06/371,328
Telephone regulator circuitry
Inventors:
Donald L. Smith, David B. Jones
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Apr 23, 1982
Inventors
Donald L. Smith
David B. Jones
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.