PATENTS - 20

PATENTS - 20

1898

713,209 Duplicating Phonograms . . . . . . . .Feb. 21, 1898

703,774 Reproducer for Phonographs . . . . . March 21, 1898

626,460 Filament for Incandescent Lamps and

Manufacturing Same . . . . . . . . . .March 29,1898

648,933 Dryer. . . . . . . . . . . . . . . . April 11, 1898

661,238 Machine for Forming Pulverized

Material in Briquettes . . . . . . . April 11, 1898

674,057 Crushing Rolls . . . . . . . . . . . April 11, 1898

703,562 Apparatus for Bricking Pulverized MaterialApril 11, 1898

704,010 Apparatus for Concentrating Magnetic

Iron Ores. . . . . . . . . . . . . . April 11, 1898

659,389 Electric Meter . . . . . . . . . . . Sept. 19, 1898

1899

648,934 Screening or Sizing Very Fine MaterialsFeb. 6, 1899

663,015 Electric Meter . . . . . . . . . . . . Feb. 6, 1899

688,610 Phonographic Recording Apparatus . . .Feb. 10, 1899

643,764 Reheating Compressed Air for

Industrial Purposes. . . . . . . . . .Feb. 24, 1899

660,293 Electric Meter . . . . . . . . . . . .March 23,1899

641,281 Expanding Pulley--Edison and Johnson .March 28,1899

727,116 Grinding Rolls . . . . . . . . . . . .June 15, 1899

652,457 Phonograph (reissued September 25,

1900, numbered 11,857) . . . . . . . Sept. 12, 1899

648,935 Apparatus for Duplicating Phonograph

Records. . . . . . . . . . . . . . . .Oct. 27, 1899

685,911 Apparatus for Reheating Compressed

Air for Industrial Purposes. . . . . .Nov. 24, 1899

657,922 Apparatus for Reheating Compressed

Air for Industrial Purposes. . . . . . Dec. 9, 1899