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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'Washington, DC') ORDER BY date ASC, patent, type

Total of 8 patents found where: Residence is 'Washington, DC';

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T / S Patent Date Description Patentee Category Assigned To
 1849
U 6,779 October 9, 1849 Supporter for Telegraph Wires
Hook encased in metal shell (also House-top insulator?)
LIVINGSTON, L. R.
ROGGEN, J. J.
ADAMS, Calvin
KENDALL, Amos
VAIL, Alfred
Hook  
 1851
U 8,419 October 14, 1851 Insulator for Telegraph Wires
Hook embedded in metal shell (with guta percha) for bolting
ROBBINS, Zenas C.
Hook  
 1871
U 112,281 February 28, 1871 Improvement in Insulators for Telegraph Wires
Hook, new shape
ROBBINS, Zenas C.
Hook  
U 121,368 November 28, 1871 Improvement in Telegraph Insulators
Triangular insulator to reduce surface contact of tie wire
HOLLEY, Minard Y.
Triangular  
 1881
U 243,513 June 28, 1881 Device for Deadening Sound Vibrations of Telegraph Wires
Sound deadening device to prevent humming of telegraph wires
CONNOR, Paul D.
Miscellaneous  
 1894
U 529,866 November 27, 1894 Ornament for Lightning Rods
Inexpensive lightning rod ornament in the method of construction of a weathervane
KEYS, Charles F.
Weathervane  
 1895
U 549,443 November 5, 1895 Electric Supporting Insulator
Knob
COLLINS, Joseph
Knob  
 1934
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.

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