Donald A. Hull

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Van Nuys, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mobile foam brush washing system including mixing apparatus for foa...
- Patent number 4,383,935
- Issue date May 17, 1983
- Donald A. Hull
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Mixing apparatus for foam generation
- Patent number 4,366,081
- Issue date Dec 28, 1982
- Donald A. Hull
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...