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Don Welch — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Vail, CO: #16 of 49 inventorsTop 35%

Colorado: #17,188 of 40,980 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Don Welch has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in September 1999. Don Welch ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Don Welch in Vail, CO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

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

Don Welch — 2 Patents

Issued Patents All Time

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