IP Library › Granted Patent US 5,331,308
Granted Patent Utility
US 5,331,308 · App. 07/923,103

Automatically adjustable and self-testing dual technology intrusion detection system for minimizing false alarms

Inventors: Charles S. Buccola, Lawrence M. Kolb
Patented Case View Patent ↗
Granted: Jul 19, 1994 Filed: Jul 30, 1992
Inventors
Charles S. Buccola
Lawrence M. Kolb
Assignee (at issue)
NAPCO Security Systems, 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.

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 5,331,308
App. No.
07/923,103
Filed
1992-07-30
Granted
1994-07-19
Kind
A