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Todd E. Elson
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Claremore, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Roller assembly for floating dock
Patent number
7,293,522
Issue date
Nov 13, 2007
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Stern-on mooring boat lift
Patent number
6,769,839
Issue date
Aug 3, 2004
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Unitary plastic boat lift buoyancy tank
Patent number
6,752,096
Issue date
Jun 22, 2004
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Unitary plastic boat lift buoyancy tank
Patent number
6,752,097
Issue date
Jun 22, 2004
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Stern-on mooring boat lift
Patent number
6,547,485
Issue date
Apr 15, 2003
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Buoyant walkway module for a boatlift
Patent number
6,138,599
Issue date
Oct 31, 2000
Hydrohoist International, Inc.
Todd A. Elson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Buoyant walkway module for a boatlift
Patent number
5,947,049
Issue date
Sep 7, 1999
Hydrohoist International, Inc.
Todd A. Elson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Lift for a personal watercraft
Patent number
5,875,727
Issue date
Mar 2, 1999
Hydrohist International, Inc.
Todd A. Elson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Front mounted boat lift
Patent number
5,394,814
Issue date
Mar 7, 1995
Hydrohoist International, Inc.
Henry A. Rutter
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Lift for water vehicles
Patent number
RE34793
Issue date
Nov 22, 1994
Hydrohoist International, Inc.
Ralph E. Peck
114 - Ships
Information
Patent Grant
Lift for water vehicles
Patent number
5,016,551
Issue date
May 21, 1991
National Hydrohoist Company
Ralph E. Peck
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Information
Patent Application
Stern-on mooring boat lift
Publication number
20030175107
Publication date
Sep 18, 2003
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
Unitary plastic boat lift buoyancy tank
Publication number
20020170479
Publication date
Nov 21, 2002
HYDROHOIST INTERNATIONAL, INC.
Todd A. Elson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Stern-on mooring boat lift
Publication number
20020131821
Publication date
Sep 19, 2002
Hydrohoist International, Inc.
Todd A. Elson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT