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Esther E. Olson — 1 Patent

DLDatafile Limited: 1 patents #5 of 6Top 85%
Cottage Grove, MN: #236 of 362 inventorsTop 70%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Esther E. Olson has been granted 1 US patent while listed as an inventor at Datafile Limited. All of these patents were granted in 1981. Esther E. Olson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Esther E. Olson in Cottage Grove, MN, US.

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

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