DV

Donald A. Volk

📍 Mayfield Heights, OH: #2 of 14 inventorsTop 15%
🗺 Ohio: #379 of 4,093 inventorsTop 10%
Overall (1994): #35,059 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5347326 Diagnostic or therapeutic contact lens 1994-09-13
5333017 Indirect ophthalmoscopy lens for use with slit lamp biomicroscope 1994-07-26