RZ

Robert C. Zinkgraf

DI Dart Industries: 9 patents #49 of 354Top 15%
📍 West Bend, WI: #56 of 449 inventorsTop 15%
🗺 Wisconsin: #5,297 of 40,088 inventorsTop 15%
Overall (All Time): #593,472 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D259382 Pan David L. Painter 1981-06-02
D257313 Tea pot David L. Painter 1980-10-14
D257311 Pitcher David L. Painter 1980-10-14
D256756 Plate David L. Painter 1980-09-09
D256648 Dish David L. Painter 1980-09-02
D256653 Roasting rack David L. Painter 1980-09-02
D256654 Combined roasting pan and rack David L. Painter 1980-09-02
D256646 Covered dish David L. Painter 1980-09-02
D256647 Roasting pan David L. Painter 1980-09-02