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Patents Grantslast 30 patents

Information Patent Grant
System for an arch bridge and methods of producing the same
- Patent number 12,054,896
- Issue date Aug 6, 2024
- Structure Sight LLC
- Jeffrey J. Von Handorf
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Partially prefabricated structural concrete beam
- Patent number 8,578,537
- Issue date Nov 12, 2013
- Matthew Ley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Load bearing concrete panel construction
- Patent number 6,708,362
- Issue date Mar 23, 2004
- John H. Allen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Load bearing concrete panel reconstruction
- Patent number 4,991,248
- Issue date Feb 12, 1991
- Allen Research & Development Corp.
- John H. Allen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
3859682
- Patent number 3,859,682
- Issue date Jan 14, 1975
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES