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Ervin D. Labrum

Seattle, WA: #14,120 of 21,776 inventorsTop 65%
Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,059,021 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4408873 Color correction adapter for photographic enlargers — 1983-10-11

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