Granted Patent
Utility
US 5,777,509 · App. 08/668,657
Apparatus and method for generating a current with a positive temperature coefficient
Inventor:
Frank Gasparik
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jun 25, 1996
Inventor
Frank Gasparik
Assignee (at issue)
Symbios Logic Inc.
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.