Granted Patent
Utility
US 4,914,435 · App. 06/861,828
Pedestrian traffic signal
Inventors:
Samuel A. Gould, James S. Gould
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: May 12, 1986
Inventors
Samuel A. Gould
James S. Gould
Assignee (at issue)
Indicator Controls Corporation
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.