ES

Edward H. Szachowicz

📍 St. Louis Park, MN: #283 of 602 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,346,915 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4573460 Talking tracheostomy tube John J. Walsh 1986-03-04
4449523 Talking tracheostomy tube John J. Walsh 1984-05-22