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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Self-tying Screw Top') ORDER BY category ASC, date, patent, type

Total of 30 patents found where: Category is 'Self-tying Screw Top';

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T / S Patent Date Description Patentee Category Assigned To
 Self-tying Screw Top
U 217,427 July 8, 1879 Improvement in Telegraph Insulators
Self-tying screw top
TAYLOR, Burnley
Self-tying Screw Top  
U 315,660 April 14, 1885 Supporting Insulator for Telegraph Wires
Self-tying screw top (see 1,305,168)
PRENZEL, Henry
Self-tying Screw Top  
U 402,592 May 7, 1889 Electric Wire Insulator
Self-tying screw top
HEAVISIDE, Arthur W.
Self-tying Screw Top  
U 460,448 September 29, 1891 Insulator
Self-tying screw top
ROSS, Frank A.
Self-tying Screw Top  
U Specimen known 544,778 August 20, 1895 Insulator for Electric or Other Wires
CD 207.2 self-tying screw top similar to Prenzel patent (top is known but not the bottom)
SPROAT, Clinton
TARR, Edward N.
Self-tying Screw Top  
U 585,026 June 22, 1897 Tieless Insulator
Self-tying screw top
DELERY, Robert
Self-tying Screw Top  
U 619,555 February 14, 1899 Telegraph Insulator
Self-tying screw top
FRANTZ, Isaac B.
Self-tying Screw Top  
U 626,592 June 6, 1899 Insulator
Self-tying screw top
CARPENTER, John
TONN, Charles
Self-tying Screw Top  
U 671,876 April 9, 1901 Self-Locking Insulator
Self-tying screw top
BEARDSLEY, Willard P.
Self-tying Screw Top  
U 697,628 April 15, 1902 Insulator and Attachment for Electric Wires
Self-tying screw top
JOHNSTON, Chauncey C.
Self-tying Screw Top  
U 704,172 July 8, 1902 Insulator
Self-tying screw top
CALVIN, James E.
Self-tying Screw Top 1/2 to Enos Cochran
U 713,904 November 18, 1902 Insulator for Telegraph Lines
Self-tying screw top
MURRAY, John E.
Self-tying Screw Top  
U 739,147 September 15, 1903 Insulator for Electric Wires
Self-tying screw top
BOTTJER, Herman
Self-tying Screw Top  
U 759,276 May 10, 1904 Insulator for Telegraph Wires
Self-tying screw top
HOBERT, Clayton
Self-tying Screw Top  
U 783,229 February 21, 1905 Locking Insulator
Self-tying screw top
STEINBERGER, Louis
Self-tying Screw Top  
U 802,397 October 24, 1905 Insulator for Electric Wires
Self-tying screw top
HUMPHREY, Clarence A.
Self-tying Screw Top  
U 849,606 April 9, 1907 Insulator
Self-tying screw top
GOLDSTEIN, Albion
Self-tying Screw Top  
U 872,756 December 3, 1907 Insulator
Self-tying screw top
SCHERER, Frederick C.
FASHBAUGH, Henry C.
Self-tying Screw Top  
U 961,646 June 14, 1910 Insulator
Self-tying screw top with slotted top
REUSCH, William L.
Self-tying Screw Top  
U 992,397 May 16, 1911 Insulator
Self-tying screw top
ANDERSON, Milton E.
Self-tying Screw Top  
U 1,020,880 March 19, 1912 Insulator
Self-tying screw top
BOURKE, Alexander M.
Self-tying Screw Top  
U 1,043,916 November 12, 1912 Insulator
Self-tying screw top with slotted top
FARWELL, Frank M.
Self-tying Screw Top  
U 1,048,390 December 24, 1912 Insulator
Self-tying screw top with slotted top
BROWN, Fred
Self-tying Screw Top  
U 1,146,201 July 13, 1915 Electric Wire Insulator
Self-tying screw top with slotted top
NUNN, Silvester
Self-tying Screw Top  
U 1,150,697 August 17, 1915 Insulator
Self-tying screw top
NEELY, Zen W.
LEWIS, George A.
Self-tying Screw Top  
U 1,161,080 November 23, 1915 Insulator
Self-tying screw top
SPICER, Frank M.
Self-tying Screw Top  
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top
OPPELT, William
Self-tying Screw Top 1/3 to Harry Gamber
U 1,228,349 May 29, 1917 Electric Insulator
Self-tying screw top
MUELLER, Auguste Robert
Self-tying Screw Top  
U 1,263,746 April 23, 1918 Insulator
Self-tying screw top with slotted pin for holding wire
CREAMER, William H.
Self-tying Screw Top  
U 1,266,435 May 14, 1918 Telephone Insulator
Self-tying screw top
ENGLISH, Roy W.
Self-tying Screw Top  

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