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Browse Free Online Books and eBooks:
US Patent 2599570: Molding composition suitable for phonograph records comprising tough polyvinyl acetal resin and petroleum-hydrocarbon insoluble resinous wood extract
US Patent 2600130: Egg carton
US Patent 2600526: Rechargeable dry cell battery
US Patent 2601315: Manufacture of polyvinyl acetate emulsion paints
US Patent 2601577: Latch and handle mechanism
US Patent 2601715: Weaving device
US Patent 2601757: Pump for operating suction accessories and pressurizing fuel tanks of motor vehicles
US Patent 2601922: Device for separating cartons of eggs
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