Arthur C. Callahan

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Winston-Salem, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Low temperature washing and chemical sanitizing of foodware
- Patent number 4,277,290
- Issue date Jul 7, 1981
- American Sterilizer Company
- James P. Andrews
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Water treatment diswashing apparatus
- Patent number D252812
- Issue date Sep 4, 1979
- American Sterilizer Company
- James P. Andrews
- D15 - Machines not elsewhere specified
Information Patent Grant
Regeneration of used dishwashing water without chemical additives f...
- Patent number 4,156,621
- Issue date May 29, 1979
- American Sterilizer Company
- James P. Andrews
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...