DS

Donald Schwartzengraber

📍 Defiance, OH: #25 of 68 inventorsTop 40%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,817,780 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5188163 Bracket assembly for an overhead door Robert Schram 1993-02-23