Granted Patent
Utility
US 4,631,472 · App. 06/740,465
Isolated low power thyristor gate drive circuit
Inventors:
Patrick E. McCollum, James K. Brownrigg, Carl Linder
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jun 3, 1985
Inventors
Patrick E. McCollum
James K. Brownrigg
Carl Linder
Assignee (at issue)
Rockwell International 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.