HP

Harvey Porter

RI Royal Factories, Incorporated: 6 patents #1 of 2Top 50%
📍 Narberth, PA: #22 of 116 inventorsTop 20%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #896,446 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4475309 Modular protective grill 1984-10-09
D274655 Grill Rubina M. Long 1984-07-10
D274366 Grill Rubina M. Long 1984-06-19
D274005 Grill Rubina M. Long 1984-05-29
D273900 Grill Rubina M. Long 1984-05-15
D273901 Grill Rubina M. Long 1984-05-15