EO

Esther E. Olson

DL Datafile Limited: 1 patents #5 of 6Top 85%
📍 Cottage Grove, MN: #236 of 362 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,094,120 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4281445 Apparatus and method for replacement of file folders having fasteners Donald T. Barber, George B. Pfeffer 1981-08-04