Michael J. Colitz, Jr. Registered Patent Attorney |
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Wacky Patent of the Month |
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DENTAL DRILL |
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U.S. Patent Number: 423,344 Patented: Mar. 11, 1890 to A. Better
Colitz Catchphrase: "My grandparents aversion to dentists
is understandable. Fortunately for us, technology |
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ABSTRACT This invention relates to various improvements in several parts of a dental engine, whereby they are made to co-operate in a more economical and satisfactory manner than is the case with the current devices of the time. |