Lyon Karch: Difference between revisions
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Created page with "Lyon v. Bausch & Lomb, 224 F.2d 530 (1955) United States Court of Appeals Second Circuit. Argued April 6, 1955. Decided June 20, 1955. Lyon added step of heating in a vacuum ..." |
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Revision as of 08:55, 26 January 2011
Lyon v. Bausch & Lomb, 224 F.2d 530 (1955)
United States Court of Appeals Second Circuit.
Argued April 6, 1955.
Decided June 20, 1955.
Lyon added step of heating in a vacuum to coat clear glass with a protective coating.
Sustained patent from 1942: will not change things retroactively
