Granted Patent
Utility
US 4,631,422 · App. 06/562,529
TTL circuit with a clamping transistor for speedy turn-off of output transistor
Inventor:
Douglas S. Piasecki
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Dec 19, 1983
Inventor
Douglas S. Piasecki
Assignee (at issue)
RCA 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.