DH

Douglas R. Hanson

OP Oliver Products: 1 patents #15 of 22Top 70%
📍 Anoka, MN: #28 of 225 inventorsTop 15%
🗺 Minnesota: #6,858 of 52,454 inventorsTop 15%
Overall (All Time): #473,240 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5865111 Berry dehulling machine 1999-02-02
5384931 Pan cleaning assembly 1995-01-31
5239722 Pan cleaning assembly 1993-08-31
5226353 Machine for forming chocolate shaving spirals 1993-07-13
4774737 Tray scrubber 1988-10-04
4670936 Dust inhibiting vacuum hood 1987-06-09
4581970 Machine for prescoring English muffins or the like 1986-04-15
4582472 Machine for forming croissants or other elongated products 1986-04-15
4403365 Brush assembly for cleaning bread pans 1983-09-13
4287801 Device for perforating bakery goods such as English muffins 1981-09-08
4271944 Single revolution torque limiting clutch 1981-06-09