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Robert Wrightman
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Bracebridge, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Snowmobile and suspension assembly therefor
Patent number
9,365,232
Issue date
Jun 14, 2016
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Log building
Patent number
9,091,059
Issue date
Jul 28, 2015
Robert A. Wrightman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strut for snowmobile
Patent number
8,690,182
Issue date
Apr 8, 2014
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Log wall connector system
Patent number
8,615,963
Issue date
Dec 31, 2013
Robert A. Wrightman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Roof to post adjustable hold down device
Patent number
8,578,664
Issue date
Nov 12, 2013
Robert A. Wrightman
E04 - BUILDING
Information
Patent Grant
Snowmobile ski assembly
Patent number
8,376,389
Issue date
Feb 19, 2013
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Log wall connector system
Patent number
8,371,080
Issue date
Feb 12, 2013
Robert A. Wrightman
E04 - BUILDING
Information
Patent Grant
Log for log home
Patent number
8,171,683
Issue date
May 8, 2012
Robert A. Wrightman
E04 - BUILDING
Information
Patent Grant
Roof construction
Patent number
7,581,358
Issue date
Sep 1, 2009
Robert Wrightman
E04 - BUILDING
Information
Patent Grant
Log
Patent number
D575879
Issue date
Aug 26, 2008
Ronald A. Wrightman
D25 - Building units and construction elements
Patents Applications
last 30 patents
Information
Patent Application
STRUT FOR SNOWMOBILE
Publication number
20140291948
Publication date
Oct 2, 2014
Robert A. WRIGHTMAN
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Log Wall Connector System
Publication number
20120198781
Publication date
Aug 9, 2012
Robert A. Wrightman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Strut for Snowmobile
Publication number
20120104709
Publication date
May 3, 2012
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
STRUT FOR SKI ASSEMBLY
Publication number
20110089649
Publication date
Apr 21, 2011
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
ROOF TO POST ADJUSTABLE HOLD DOWN DEVICE
Publication number
20100129147
Publication date
May 27, 2010
Robert A. Wrightman
E04 - BUILDING
Information
Patent Application
LOG WALL CONNECTOR SYSTEM
Publication number
20090199497
Publication date
Aug 13, 2009
Robert A. Wrightman
E04 - BUILDING
Information
Patent Application
Log building
Publication number
20090133345
Publication date
May 28, 2009
Robert A. Wrightman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Log wall connector system
Publication number
20090056251
Publication date
Mar 5, 2009
Robert A. Wrightman
E04 - BUILDING
Information
Patent Application
SNOWMOBILE SKI ASSEMBLY
Publication number
20080303228
Publication date
Dec 11, 2008
Robert A. Wrightman
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Log for log home
Publication number
20080127583
Publication date
Jun 5, 2008
Robert A. Wrightman
E04 - BUILDING
Information
Patent Application
Roof construction
Publication number
20050268563
Publication date
Dec 8, 2005
Robert Wrightman
E04 - BUILDING