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David H. Foster

🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #145,966 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5293185 Eyeglass frame permitting interchanging of lenses Ray A. Berger 1994-03-08