-
-
-
-
-
-
-
-
-
-
-
-
-
Linear actuator
-
Patent number 7,647,862
-
Issue date Jan 19, 2010
-
Ness Inventions, Inc.
-
John T. Ness
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
-
-
-
-
-
-
-
-
Block ramming machine
-
Patent number 6,347,931
-
Issue date Feb 19, 2002
-
The Mountain Institute
-
James C. Underwood
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
-
-
Mould
-
Patent number 5,686,009
-
Issue date Nov 11, 1997
-
Maskin Industri Viborg A/S
-
Agner Rask Gregersen
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
-
-
-
Mold box apparatus
-
Patent number 4,274,824
-
Issue date Jun 23, 1981
-
Wayne L. Mullins
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
Mold box apparatus
-
Patent number 4,218,206
-
Issue date Aug 19, 1980
-
Wayne L. Mullins
-
B28 - WORKING CEMENT, CLAY, OR STONE