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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Electric Service Supplies Co.') ORDER BY date ASC, patent, type

Total of 10 patents found where: Assigned To is 'Electric Service Supplies Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1914
U Specimen known 1,094,852 April 28, 1914 Insulator Pin
Pin, metal flanged to fit crossarm and interior bolt for attachment to thimble		 HECHT, Julius L.
GAPEN, Jotham C.
 Pin 1/2 to Electric Service Supplies Co.
 1916
U 1,199,735 September 26, 1916 Insulator Pin
Pin, metal to prevent turning of threaded head (improvement of 1,094,852)		 PORTER, John W.
 Pin Electric Service Supplies Co.
 1917
U 1,246,304 November 13, 1917 Support for Electric Conductors
Bracket for 3 large insulators for pole top		 MUELLER, Otto
HAMER, William D.
 Bracket Electric Service Supplies Co.
 1918
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs		 MAYER, Walter S.
 Bracket Electric Service Supplies Co.
 1928
U 1,677,498 July 17, 1928 Apparatus for Undercutting Pinholes in the Center Shells of Insulators
Machine to undercut the pinhole for the suspension pin to prevent the pin from pulling out of the insulator.		 SMITH, William Henry
 Suspension Electric Service Supplies Co.
 1929
U 1,732,339 October 22, 1929 Apparatus for Finishing Insulator Shells
Machine to form the opening in the bottom of a top shell and form grooves in the sides of the opening to aid in cement adhesion between the top shell and the second shell.		 OSBORNE, David H.
 Manufacturing Electric Service Supplies Co.
 1930
U 1,755,308 April 22, 1930 Apparatus for Finishing Insulator Shells
Machine to form grooves inside the suspension disk to aid cement adhesion.		 SMITH, William Henry
 Suspension Electric Service Supplies Co.
U 1,758,462 May 13, 1930 Insulator
Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process		 OSBORNE, David Henry
 Multipart Electric Service Supplies Co.
U 1,776,795 September 30, 1930 Coupling for Wires and Cables
Metal cap for suspension insulator with cotter pin to prevent the pin from slipping out of the cap.		 OSBORNE, David Henry
 Suspension Electric Service Supplies Co.
 1931
U 1,816,023 July 28, 1931 Method of Manufacturing Insulators
Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.		 OSBORNE, David Henry
 Manufacturing Electric Service Supplies Co.

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