DW

Don Welch

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Vail, CO: #16 of 49 inventorsTop 35%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,253,190 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5958494 Roasting system with heat recycler John W. Tidland 1999-09-28
4314707 Toe guard for roller skates — 1982-02-09