Granted Patent
Utility
US 5,912,428 · App. 08/879,162
Electronic circuitry for timing and delay circuits
Inventor:
Robert Patti
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Jun 19, 1997
Inventor
Robert Patti
Assignee (at issue)
The Ensign-Bickford Company
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.