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David Zacharin

Graton, CA: #1 of 1 inventorsTop 100%
California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #80,591 of 81,411Top 100%
1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336020 Jigsaw puzzle for use in bilingual education — 1982-06-22

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