DS

Dorothy V. B. Schaeffer

📍 Robinson Township, PA: #1 of 7 inventorsTop 15%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #140,581 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5333907 Combination book with magnifying page insert — 1994-08-02