Granted Patent
Utility
US 4,634,893 · App. 06/705,296
FET driver circuit with mask programmable transition rates
Inventors:
Donald G. Craycraft, Giao N. Pham
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Feb 25, 1985
Inventors
Donald G. Craycraft
Giao N. Pham
Assignee (at issue)
NCR 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.