Granted Patent
Utility
US 4,677,368 · App. 06/915,481
Precision thermal current source
Inventor:
Byron G. Bynum
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Oct 6, 1986
Inventor
Byron G. Bynum
Assignee (at issue)
Motorola, 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.