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Donald G. Welch

Hooker, OK: #1 of 1 inventorsTop 100%
Oklahoma: #151 of 749 inventorsTop 25%
Overall (1989): #118,788 of 140,708Top 85%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4877109 Adjustable sawhorse and scaffold Randall N. Barton 1989-10-31