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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Block') ORDER BY date ASC, patent, type

Total of 11 patents found where: Category is 'Block';

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T / S Patent Date Description Patentee Category Assigned To
 1848
U 5,889 October 31, 1848 Insulating Support for Telegraph Wires
Block (glass) with zigzag slit held by hooded bracket		 LIVINGSTON, Laureston R.
ROGGEN, John J.
ADAMS, Calvin
 Block  
 1873
U 135,334 January 28, 1873 Improvement in Telegraph Insulators
Blocks (2) (glass) inside a metal box with suspended bolt to hold wire		 HENDRICKS, Nathan
 Block  
 1884
U 294,563 March 4, 1884 Insulator for Electric Wires
Block with grooves		 BEACH, William W.
 Block  
U 307,916 November 11, 1884 Insulator
Blocks held by mortised metal tube to hold wire		 CLEVELAND, John S.
KENT, George F.
 Block  
 1888
U 378,971 March 6, 1888 Insulator
Block of glass inverted & head combination secured to crossarm by wire		 NEAL, Lewis M.
 Block  
 1890
U 421,819 February 18, 1890 Insulator
Blocks (2) to hold wire and pole system		 DAVY, John W.
 Block  
 1897
U 581,088 April 20, 1897 Electric Wire Insulator
Block of glass to hold wire in crossarm		 SHARPE, John E.
 Block  
 1902
U 710,282 September 30, 1902 Insulator
Block with metal tabs bent to hold wire		 LEFEVER, Edwin
 Block  
 1912
U 1,022,026 April 2, 1912 Insulator
Block in crossarm		 GUTHRIE, Joseph A.
 Block Guthrie-Mitchell Co.
 1913
U 1,054,690 March 4, 1913 Electric Wire Supporting Device
U-shaped block insulator fitted into slots in the crossarm to hold telegraph and telephone lines.		 HICKS, Henry A.
 Block  
 1914
U 1,099,374 June 9, 1914 Insulator
Block in crossarm		 HUNTER, Ira
 Block 2/3 to Rafferty, 1/3 to Wells

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