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For the Inventor, By the Inventor

Colorado Springs, CO, United States of America

Nighthawk Systems, Inc.


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 11

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1 inventor (with patents filed for the assignee):

goldMedal Stephen M Ernst (2 out of 13 patents)


2 patents:

1. 5828822 - Watchdog circuit for carbon monoxide monitors (1998-10-27),
2. 5659125 - Automatic calibration method for carbon monoxide monitors (1997-08-19),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#134 in Colorado Springs, CO

#2,353 in Colorado

#94,730 in US

Colorado Springs, CO (US)
Colorado Springs, CO, United States of America

Nighthawk Systems, Inc.

Forward Citations = 11

1 inventor:

goldMedal Stephen M Ernst (2 out of 13 patents)

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