INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending AND EACH BEARING THAT DATE A BOON IN BRAKE BLOCKS. Search Lights Electric Gas Lighters. New Standard Electric Gas Lighter. BRENNAN GASOLINE MOTORS BRENNAN MFG. CO Syracuse. N.Y. U.S.A. ARMSTRONG'S PIPE THREADING CUTTING-OFF MACHINES THE ARMSTRONG MFG. CO. Bridgeport Conn. Largest Line of Rubber Goods Made TO MINE OWNERS 41.6 . of THE ENGINES SIMPLICITY Presses for, scientific american, 1902-09-06
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