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Alvin R. Wirthlin patents

The following is a sampling of recent Alvin R. Wirthlin patent applications (USPTO Patent Application #, Patent Title) sorted by month.

August 2009 - Alvin R. Wirthlin patents

20090199418 - Illuminated sighting device
20090193705 - Sighting device with trajectory compensation

July 2009 - Alvin R. Wirthlin patents

20090165767 - Bow string assembly and method of construction

June 2009 - Alvin R. Wirthlin patents

20090153408 - Antenna with integrated rf module
20090143157 - Alignment device for golfers

January 2009 - Alvin R. Wirthlin patents

20090013581 - Self-illuminated sighting device

September 2008 - Alvin R. Wirthlin patents

20080209825 - Color changing system for structures and method therefor

February 2008 - Alvin R. Wirthlin patents

20080042028 - Container mounting assembly

January 2008 - Alvin R. Wirthlin patents

20080007905 - Interactive electronic display card

December 2007 - Alvin R. Wirthlin patents

20070295291 - Internal combustion engine with electronic valve actuators and control system therefor

November 2007 - Alvin R. Wirthlin patents

20070272179 - Internal combustion engine with electronic valve actuators and control system therefor
20070251269 - Adjustable jewelry assembly

August 2007 - Alvin R. Wirthlin patents

20070186813 - Waterproof coating system and method of application

February 2007 - Alvin R. Wirthlin patents

20070036352 - Portable accessory holder

October 2006 - Alvin R. Wirthlin patents

20060231049 - Internal combustion engine with electronic valve actuators and control system therefor

June 2006 - Alvin R. Wirthlin patents

20060113377 - Compact electronic unit with display
20060113378 - User programmable interactive display device and method

January 2006 - Alvin R. Wirthlin patents

20060012471 - Brake light warning system for safety helmets and method of operation
20060006353 - Optical transducer for continuously determining liquid level

December 2005 - Alvin R. Wirthlin patents

20050269532 - System and method for indicating liquid level condition



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