Robert J. Dorsey

Follow

Person

Chicago, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic refractory press including product thickness or density c...
- Patent number 4,447,198
- Issue date May 8, 1984
- Wehr Corporation
- Gary R. Long
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Mold assembly for compressing refractory material and including a q...
- Patent number 4,412,800
- Issue date Nov 1, 1983
- Robert J. Dorsey
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Press for refractory material and having removable core moving appa...
- Patent number 4,289,472
- Issue date Sep 15, 1981
- Wehr Corporation
- Robert J. Dorsey
- B30 - PRESSES
Information Patent Grant
Press for compressing refractory material and including a quick cha...
- Patent number 4,265,610
- Issue date May 5, 1981
- Wehr Corporation
- Robert J. Dorsey
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Press apparatus including plunger adjustment means
- Patent number 4,220,442
- Issue date Sep 2, 1980
- Wehr Corporation
- Robert J. Dorsey
- B28 - WORKING CEMENT, CLAY, OR STONE