DP

David Petrofsky

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 Chesterfield, MO: #2,561 of 6,461 inventorsTop 40%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,318,702 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5045333 Method for self-icing bakery goods Robert Petrofsky 1991-09-03
4657769 Method of manufacturing frozen bagel dough products Leonard Petrofsky 1987-04-14