Michael W. McKean

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Arlington, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic riding trowel with automatic load sensing system
- Patent number 7,690,864
- Issue date Apr 6, 2010
- Allen Engineering Corporation
- J. Dewayne Allen
- E04 - BUILDING
Information Patent Grant
Hydraulically driven, multiple rotor riding trowel
- Patent number 6,106,193
- Issue date Aug 22, 2000
- Allen Engineering Corporation
- J. Dewayne Allen
- E04 - BUILDING
Information Patent Grant
Dual rotor riding trowel with proportional electro-hydraulic steering
- Patent number 6,089,786
- Issue date Jul 18, 2000
- Allen Engineering Corp.
- J. Dewayne Allen
- E04 - BUILDING
Information Patent Grant
Hydraulically controlled twin rotor riding trowel
- Patent number 6,053,660
- Issue date Apr 25, 2000
- Allen Engineering Corporation
- J. Dewayne Allen
- E04 - BUILDING
Information Patent Grant
Hydraulically driven, multiple rotor riding trowel
- Patent number 6,048,130
- Issue date Apr 11, 2000
- Allen Engineering Corporation
- J. Dewayne Allen
- E04 - BUILDING
Information Patent Grant
Universal bridge deck vibrating system
- Patent number 5,988,939
- Issue date Nov 23, 1999
- Allen Engineering Corp.
- J. Dewayne Allen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Hydraulically controlled riding trowel
- Patent number 5,890,833
- Issue date Apr 6, 1999
- Allen Engineering Corporation
- J. Dewayne Allen
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic riding trowel with automatic load sensing system
- Publication number 20090169300
- Publication date Jul 2, 2009
- J. Dewayne Allen
- E04 - BUILDING