Waters, John Louis, & company, Washington, D.C. [from old catalog] · Washington, D.C., J. L. Waters & co. · leaf 30
made to accomplish this result, but such complex and expensivestructures have always been presented in the known folding umbrellas thatthey have been of small commercial value. 62. A prize of 1,000 francs ($163) will be given the inventor who shallproduce a glove that can be used by electrical… … SELDEN PATENT 1915
Patents
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