David W. Franklin

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Motorized towable sweeping apparatus and related method
- Patent number 7,238,243
- Issue date Jul 3, 2007
- Mister Sweeper, LP
- Daniel J. Brantley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Apparatus for cleaning hard-to-reach areas
- Patent number 6,735,814
- Issue date May 18, 2004
- Mister Services, Inc.
- David W. Franklin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sweeping apparatus for coupling to a motorized vehicle
- Patent number 4,001,908
- Issue date Jan 11, 1977
- David W. Franklin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Motorized towable sweeping apparatus and related method
- Publication number 20060085945
- Publication date Apr 27, 2006
- Daniel J. Brantley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Method of and apparatus for cleaning hard-to-reach areas
- Publication number 20020040513
- Publication date Apr 11, 2002
- David W. Franklin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES