IP Library Granted Patent US 5,121,004
Granted Patent Utility
US 5,121,004 · App. 07/742,814

Input buffer with temperature compensated hysteresis and thresholds, including negative input voltage protection

Inventors: Scott B. Kesler, Mark W. Gose
Patented Case View Patent ↗
Granted: Jun 9, 1992 Filed: Aug 9, 1991
Inventors
Scott B. Kesler
Mark W. Gose
Assignee (at issue)
DELCO ELECTRONICS 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,121,004
App. No.
07/742,814
Filed
1991-08-09
Granted
1992-06-09
Kind
A