Granted Patent
Utility
US 4,230,383 · App. 05/959,337
Integral contact
Inventors:
Philip J. Burnstein, George R. Pariza, Stephen L. Siegel
Patented Case
View Patent ↗
Granted: Oct 28, 1980
Filed: Nov 9, 1978
Inventors
Philip J. Burnstein
George R. Pariza
Stephen L. Siegel
Assignee (at issue)
Pittway 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.