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William P. Tanguay
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Downers Grove, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Temporary alarm locate with intermittent warning
Patent number
7,075,444
Issue date
Jul 11, 2006
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Enhanced visual signaling for an adverse condition detector
Patent number
7,030,748
Issue date
Apr 18, 2006
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Enhanced visual signaling for an adverse condition detector
Patent number
6,914,534
Issue date
Jul 5, 2005
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Adverse condition detector having modulated test signal
Patent number
6,836,210
Issue date
Dec 28, 2004
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Time controls with enhanced timing range
Patent number
6,747,375
Issue date
Jun 8, 2004
Ranco Incorporated of Delaware
William P. Tanguay
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Enhanced visual and audible signaling for sensed alarm condition
Patent number
6,646,566
Issue date
Nov 11, 2003
Ranco Incorporated of Delaware
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Apparatus and method for providing alarm synchronization among mult...
Patent number
6,614,347
Issue date
Sep 2, 2003
Ranco Inc.
William Peter Tanguay
G08 - SIGNALLING
Information
Patent Grant
Smoke alarm with dual sensing technologies and dual power sources
Patent number
6,362,743
Issue date
Mar 26, 2002
Ranco Incorporated of Delaware
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Photoelectric smoke detector
Patent number
6,351,219
Issue date
Feb 26, 2002
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Adverse condition detection and notification apparatus
Patent number
6,348,871
Issue date
Feb 19, 2002
Maple Chase
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Heat detector having an increased accuracy alarm temperature thresh...
Patent number
6,288,638
Issue date
Sep 11, 2001
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Dangerous condition warning device incorporating a time-limited hus...
Patent number
5,969,600
Issue date
Oct 19, 1999
Ranco Inc. of Delware
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Battery saving circuit for a dangerous condition warning device
Patent number
5,966,078
Issue date
Oct 12, 1999
Ranco Inc.
William Peter Tanguay
G08 - SIGNALLING
Information
Patent Grant
Visual indicator for identifying which of a plurality of dangerous...
Patent number
5,966,079
Issue date
Oct 12, 1999
Ranco Inc. of Delaware
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Method and apparatus for testing a carbon monoxide sensor
Patent number
5,886,638
Issue date
Mar 23, 1999
Ranco Inc. of Delaware
William P. Tanguay
G08 - SIGNALLING
Information
Patent Grant
Smoke detector having variable level sensitivity
Patent number
RE33920
Issue date
May 12, 1992
Seatt Corporation
William P. Tanguay
340 - Communications: electrical
Information
Patent Grant
Combustion products detector having self-actuated periodic testing...
Patent number
4,965,556
Issue date
Oct 23, 1990
Seatt Corporation
James Brodecki
G08 - SIGNALLING
Information
Patent Grant
Smoke detector having variable level sensitivity
Patent number
4,792,797
Issue date
Dec 20, 1988
Seatt Corporation
William P. Tanguay
G08 - SIGNALLING
Patents Applications
last 30 patents
Information
Patent Application
Enhanced visual signaling for an adverse condition detector
Publication number
20050151663
Publication date
Jul 14, 2005
Maple Chase Company
William P. Tanguay
G08 - SIGNALLING
Information
Patent Application
Temporary alarm locate with intermittent warning
Publication number
20040100375
Publication date
May 27, 2004
William P. Tanguay
G08 - SIGNALLING
Information
Patent Application
Enhanced visual signaling for an adverse condition detector
Publication number
20040095253
Publication date
May 20, 2004
William P. Tanguay
G08 - SIGNALLING
Information
Patent Application
Adverse condition detector having modulated test signal
Publication number
20040090325
Publication date
May 13, 2004
William P. Tanguay
G08 - SIGNALLING
Information
Patent Application
Apparatus and method for providing alarm syncrhonization among mult...
Publication number
20020101344
Publication date
Aug 1, 2002
William Peter Tanguay
G08 - SIGNALLING
Information
Patent Application
Time controls with enhanced timing range
Publication number
20020005669
Publication date
Jan 17, 2002
William P. Tanguay
G04 - HOROLOGY