PA

Pierre L. M. Alvin

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,349,951 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4615064 Lateral street cleaning brush 1986-10-07
4250589 Road sweeping broom 1981-02-17