DD

D. Davis

OP Optical Gaging Products: 1 patents #4 of 12Top 35%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5389774 Method and means for calibrating the magnification of zoom optical systems using reticle images Boris Gelman 1995-02-14