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Patents Grantslast 30 patents

Information Patent Grant
Rail fastening apparatus
- Patent number 11,168,446
- Issue date Nov 9, 2021
- voestalpine Railway Systems Nortrak LLC
- Brent Duffner
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Arrangement for fastening rails
- Patent number 4,940,183
- Issue date Jul 10, 1990
- Voest-Alpine Maschinenbau Gesellschaft m.b.H.
- Johann Rieger
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
1781122
- Patent number 1,781,122
- Issue date Nov 11, 1930
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
1709731
- Patent number 1,709,731
- Issue date Apr 16, 1929
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES