HM

Herbert L. Matthews

📍 Selden, NY: #20 of 76 inventorsTop 30%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,223,764 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6197055 Single chamber mechanical heart 2001-03-06
4457029 Toilet seat structure 1984-07-03