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Patents Granted on 1955-02-22
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,702,418Feb. 22, 1955H.W. MinerMethod and Apparatus for Making Coresfoundry casting apparatus
2,702,673Feb. 22, 1955O. SteinerPhotographic Film Cartridgefilm and plate holders
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