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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
		1879
U	217,427	July 8, 1879	Improvement in Telegraph Insulators Self-tying screw top	TAYLOR, Burnley	Self-tying Screw Top
		1885
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
		1889
U	402,592	May 7, 1889	Electric Wire Insulator Self-tying screw top	HEAVISIDE, Arthur W.	Self-tying Screw Top
		1891
U	460,448	September 29, 1891	Insulator Self-tying screw top	ROSS, Frank A.	Self-tying Screw Top
		1895
U	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
		1897
U	585,026	June 22, 1897	Tieless Insulator Self-tying screw top	DELERY, Robert	Self-tying Screw Top
		1899
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
		1901
U	671,876	April 9, 1901	Self-Locking Insulator Self-tying screw top	BEARDSLEY, Willard P.	Self-tying Screw Top
		1902
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
		1903
U	739,147	September 15, 1903	Insulator for Electric Wires Self-tying screw top	BOTTJER, Herman	Self-tying Screw Top
		1904
U	759,276	May 10, 1904	Insulator for Telegraph Wires Self-tying screw top	HOBERT, Clayton	Self-tying Screw Top
		1905
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
		1907
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
		1910
U	961,646	June 14, 1910	Insulator Self-tying screw top with slotted top	REUSCH, William L.	Self-tying Screw Top
		1911
U	992,397	May 16, 1911	Insulator Self-tying screw top	ANDERSON, Milton E.	Self-tying Screw Top
		1912
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
		1915
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
		1916
U	1,167,208	January 4, 1916	Insulator Self-tying screw top	OPPELT, William	Self-tying Screw Top	1/3 to Harry Gamber
		1917
U	1,228,349	May 29, 1917	Electric Insulator Self-tying screw top	MUELLER, Auguste Robert	Self-tying Screw Top
		1918
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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