WK

Walter J. Kastner

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,255,638 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5999326 Achromatic telescope eyepiece without doublets — 1999-12-07
5696635 Eyepiece modification for astronomical telescopes — 1997-12-09