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John Robert Springer

Wentzville, MO: #1 of 1 inventorsTop 100%
Missouri: #96 of 645 inventorsTop 15%
Overall (1982): #51,293 of 81,411Top 65%
1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4365378 Carpet and fabric cleaning machine — 1982-12-28

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