Donald C. Allebach Jr.

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive grit material recovery system
- Patent number 5,657,876
- Issue date Aug 19, 1997
- PCT, Inc.
- John Charles Drenter
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Abrasive grit material recovery system
- Patent number 5,622,265
- Issue date Apr 22, 1997
- PCT, Inc.
- John C. Drenter
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Abrasive grit material recovery system
- Patent number 5,520,288
- Issue date May 28, 1996
- PCT, Inc.
- John C. Drenter
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING