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Robert E. Brunius
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St. Paul, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Passive infrared sensor apparatus and method with DC offset compens...
Patent number
6,307,200
Issue date
Oct 23, 2001
Interactive Technologies, Inc.
Keith D. Kuhnly
G08 - SIGNALLING
Information
Patent Grant
Security system for a building complex having multiple units
Patent number
6,204,760
Issue date
Mar 20, 2001
Interactive Technologies, Inc.
Robert Brunius
G08 - SIGNALLING
Information
Patent Grant
System and method for antenna failure detection
Patent number
6,114,955
Issue date
Sep 5, 2000
Interactive Technologies, Inc.
Robert E. Brunius
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for reducing errors in a battery operated sens...
Patent number
5,872,512
Issue date
Feb 16, 1999
Interactive Technologies, Inc.
Gerald M. Kackman
G08 - SIGNALLING
Information
Patent Grant
Band pass filter
Patent number
5,038,328
Issue date
Aug 6, 1991
Interactive Technologies, Inc.
Robert E. Brunius
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Crystal controlled transmitter
Patent number
4,864,636
Issue date
Sep 5, 1989
Robert E. Brunius
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Learn mode transmitter
Patent number
4,855,713
Issue date
Aug 8, 1989
Interactive Technologies, Inc.
Robert E. Brunius
G08 - SIGNALLING
Information
Patent Grant
Combined annunciator and telephone jack wall plate and a junction b...
Patent number
D299422
Issue date
Jan 17, 1989
Interactive Technologies, Inc.
William W. Williamson
D08 - Tools and hardware
Information
Patent Grant
Security system with programmable sensor and user data input transm...
Patent number
4,737,770
Issue date
Apr 12, 1988
Interactive Technologies, Inc.
Robert E. Brunius
G08 - SIGNALLING
Information
Patent Grant
Automatic/remote RF instrument reading method and apparatus
Patent number
4,614,945
Issue date
Sep 30, 1986
Diversified Energies, Inc.
Robert E. Brunius
G08 - SIGNALLING