Granted Patent
Utility
US 4,286,250 · App. 06/036,811
Laser formed resistor elements
Inventor:
Peter J. Sacchetti
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: May 4, 1979
Inventor
Peter J. Sacchetti
Assignee (at issue)
New England Instrument 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.