RJ

Robert C. Downey, Jr.

HA Harsco: 2 patents #15 of 125Top 15%
Overall (All Time): #2,357,009 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4467853 Door with guide insulation and weatherstripping 1984-08-28
4436136 Insulated slat 1984-03-13