WILLIAM E. PERRY

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LUDINGTON, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Switch stoneblower
- Patent number 6,334,396
- Issue date Jan 1, 2002
- Pandrol Jackson, Inc.
- William E. Perry
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Maintenance vehicle and method for measuring and maintaining the le...
- Patent number 5,605,099
- Issue date Feb 25, 1997
- Pandrol Jackson, Inc.
- Dennis A. Sroka
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Stoneblower having adjustable workheads and improved blowing tubes
- Patent number 5,577,446
- Issue date Nov 26, 1996
- Pandrol Jackson, Inc.
- William E. Perry
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railroad track curve lining apparatus and method
- Patent number 5,012,413
- Issue date Apr 30, 1991
- Pandrol Jackson, Inc.
- Dennis A. Sroka
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
SWITCH STONEBLOWER
- Publication number 20010042487
- Publication date Nov 22, 2001
- WILLIAM E. PERRY
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES