Michael J. Colitz, Jr. Registered Patent Attorney |
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Wacky Patent of the Month |
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electrophotography |
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U.S. Patent Number: 2,297,691 to chester f. carlson
Colitz Catchphrase: “Patents for money and/or recognition." |
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ABSTRACT This invention relates to photography. An object of the invention is to improve methods of photography and to provide improved means and devices for use in photography. . |