David Petrofsky

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for self-icing bakery goods
- Patent number 5,045,333
- Issue date Sep 3, 1991
- Petrofsky's Enterprises, Inc.
- Robert Petrofsky
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Method of manufacturing frozen bagel dough products
- Patent number 4,657,769
- Issue date Apr 14, 1987
- Petrofsky; Leonard
- David Petrofsky
- A21 - BAKING EDIBLE DOUGHS