RD

Robert H. Druien

📍 North Palm Beach, FL: #818 of 1,566 inventorsTop 55%
🗺 Florida: #33,682 of 67,251 inventorsTop 55%
Overall (All Time): #3,806,183 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5345996 Energy saving water and air bubble heat maximizer for swimming pools, hot tubs, and spas 1994-09-13