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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 = 'San Francisco, CA') ORDER BY last_name ASC, first_name, date, patent, type

Total of 18 patents found where: Residence is 'San Francisco, CA';

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T / S Patent Date Description Patentee Category Assigned To
 BARFOED, Svend
U 1,742,628 January 7, 1930 High Tension Insulator
Fog type suspension & pin-type insulator with external petticoats (see 1,858,611) Patent was owned by Lapp Insulator Co.		 BARFOED, Svend
 Fog Type  
U 1,858,611 May 17, 1932 High Tension Insulator
Fog type suspension by Lapp (see 1,742,628) Patent was owned by Lapp Insulator Co.		 BARFOED, Svend
 Fog Type  
 BAUM, Frank G.
U Specimen known 838,163 December 11, 1906 High Tension Insulator
Multipart with multiple petticoats under skirts (M-4325C, M-4415, M-4600) (see ID 5166)		 BAUM, Frank G.
 Insulator  
U 1,728,522 September 17, 1929 Insulator for High Voltage Systems
Suspension disk with strips of high resistance conductive material embedded in the upper surface to produce a uniform distribution of voltage across each disk in a string		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,768,948 July 1, 1930 High Voltage Insulator
Suspension insulator		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,811,530 June 23, 1931 Insulating Device
Ribbed suspension insulator with deep hollow interior to receive linkage hardware to connect the next insulator		 BAUM, Frank G.
 Suspension Westinghouse Electric & Mfg. Co.
 BAUM, Frank George
U 875,978 January 7, 1908 Electric Switch
High-tension switch supported on several multipart insulators.		 BAUM, Frank George
 Switch  
 BEAL, Carroll N.
U Specimen known 634,568 October 10, 1899 Insulating Support for Electric Wires
CD 309, U-416, under-crossarm type for better protection from rain		 BEAL, Carroll N.
 Insulator  
 BRUCHSALER, Karl
U 1,080,257 December 2, 1913 Insulator
Wall tube with metal clip		 BRUCHSALER, Karl
 Wall Tube  
 DEWING, James
BENNETT, Delbert F.
U 373,393 November 15, 1887 Tool for Cutting Seats for Insulator Attachments for Musical Instruments
Tool for cutting circular slot in piano legs in order to insert the piano insulator.		 DEWING, James
BENNETT, Delbert F.
 Piano Insulator  
 DUNCAN, Robert
U 573,966 December 29, 1896 Insulator Hanger
Bracket for knobs		 DUNCAN, Robert
 Bracket  
 FALKENBERG, Richard A.
SIMON, Solomon S.
U 834,567 October 30, 1906 Insulator
Self-tying twist lock type		 FALKENBERG, Richard A.
SIMON, Solomon S.
 Self-tying Twist  
 FOSTER, Samuel L.
U 805,788 November 28, 1905 Electric Strain Insulator
Porcelain or glass strain insulator in compression		 FOSTER, Samuel L.
 Strain  
 KEITHLY, Willie C.
U 579,725 March 30, 1897 Insulator and Holder for Electric Railways
Trolley hanger insulator suspended from a cable. It is composed of an inverted insulator cup and a metal cover.		 KEITHLY, Willie C.
 Trolley Hanger  
 KLEIN, John M.
U 297,699 April 29, 1884 Pin for Electric Insulators
Pin with thimble of soft metal mounted on end of metal pin		 KLEIN, John M.
 Pin  
 NOBLE, Burton A.
U 2,331,041 October 5, 1943 Method of Surface Treating Glass Containers
Treatment of interior surfaces of glass block		 NOBLE, Burton A.
 OI Owens-Illinois Glass Co.
 SEILER, Paul
U Specimen known 187,183 February 6, 1877 Improvement in Telegraph Insulators
CD 130.2, wire groove composed of a series of projections		 SEILER, Paul
 Insulator 1/2 to Joseph Herz
 STORROR, Leonard W.
U Specimen known 882,803 March 24, 1908 Insulator
CD 211		 STORROR, Leonard W.
 Insulator  

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