IP Library › Granted Patent US 4,719,367
Granted Patent Utility
US 4,719,367 · App. 07/005,989

Schmitt trigger circuit

Inventor: Akira Denda
Patented Case View Patent ↗
Granted: Jan 12, 1988 Filed: Jan 21, 1987
Inventor
Akira Denda
Assignee (at issue)
NEC 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 4,719,367
App. No.
07/005,989
Filed
1987-01-21
Granted
1988-01-12
Kind
A