Duane R. Acker

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Mundelein, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for washing balls
- Patent number 5,546,967
- Issue date Aug 20, 1996
- Discovery Zone, Inc.
- Ralph Weimer
- B08 - CLEANING
Information Patent Grant
Apparatus and method for washing balls
- Patent number 5,542,440
- Issue date Aug 6, 1996
- Discovery Zone, Inc.
- Ralph Weimer
- B08 - CLEANING
Information Patent Grant
Apparatus and method for washing balls
- Patent number 5,529,082
- Issue date Jun 25, 1996
- Discovery Zone, Inc.
- Ralph Weimer
- B08 - CLEANING
Information Patent Grant
Apparatus and method for washing balls
- Patent number 5,499,641
- Issue date Mar 19, 1996
- Discovery Zone, Inc.
- Ralph Weimer
- B08 - CLEANING
Information Patent Grant
Method for washing balls
- Patent number 5,482,565
- Issue date Jan 9, 1996
- Discovery Zone, Inc.
- Bernard Gutterman
- B08 - CLEANING
Information Patent Grant
Ball washer
- Patent number D360715
- Issue date Jul 25, 1995
- Discovery Zone, Inc.
- Ralph E. Weimer
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Apparatus and method for washing balls
- Patent number 5,353,822
- Issue date Oct 11, 1994
- Restaurant Technology, Inc.
- Bernard Gutterman
- B08 - CLEANING