Granted Patent
Utility
US 5,488,249 · App. 08/239,166
Differential analog transistors constructed from digital transistors
Inventor:
Harold S. Crafts
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: May 6, 1994
Inventor
Harold S. Crafts
Assignees (at issue)
AT&T Global Information Solutions Company
Hyundai Electronics America
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.