T.D.J. Co., Inc.

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Material communitor
- Patent number 4,892,261
- Issue date Jan 9, 1990
- The T.D.J. Co., Inc.
- Thomas E. Rolle
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Material comminutor
- Patent number 4,852,818
- Issue date Aug 1, 1989
- T.D.J. Co., Inc.
- Thomas E. Rolle
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Air pump separator method and apparatus
- Patent number 4,851,110
- Issue date Jul 25, 1989
- T.D.J. Co., Inc.
- Thomas E. Rolle
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Material comminutor
- Patent number 4,718,609
- Issue date Jan 12, 1988
- T.D.J. Co., Inc.
- Thomas E. Rolle
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Screen separator method for foundry waste materials
- Patent number 4,648,560
- Issue date Mar 10, 1987
- T.D.J. Co., Inc.
- Thomas E. Rolle
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

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