-
Method for pipeline padding
-
Patent number 5,846,026
-
Issue date Dec 8, 1998
-
Trencor, Inc.
-
Jerry F. Gilbert
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-
-
Quarry miner
-
Patent number 5,577,808
-
Issue date Nov 26, 1996
-
Trencor, Inc.
-
Jerry F. Gilbert
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
-
-
-
-
Road planer
-
Patent number D309613
-
Issue date Jul 31, 1990
-
Jerry F. Gilbert
-
D15 - Machines not elsewhere specified
-
Road planar
-
Patent number 4,755,001
-
Issue date Jul 5, 1988
-
Jerry F. Gilbert
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-