GM

Grace N. McCombs

GK Greene & Kellogg: 1 patents #4 of 5Top 80%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Tonawanda, NY: #146 of 379 inventorsTop 40%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,357,480 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4441506 Respiratory exerciser Norman R. McCombs 1984-04-10
D269124 Respiratory exerciser Norman R. McCombs 1983-05-24