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Donald E. Dufner — 2 Patents

Buxton, ND: #1 of 1 inventorsTop 100%

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2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4516789	Crop clearing mechanism	—	1985-05-14
4297830	Bean harvester	—	1981-11-03