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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 (last_name = 'STEINMAYER') AND (first_name = 'Alwin G.') ORDER BY date ASC, patent, type

Total of 4 patents found where: Last Name is 'STEINMAYER'; First Name is 'Alwin G.';

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T / S Patent Date Description Patentee Category Assigned To
 1930
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material Co.
 1946
U 2,392,342 January 8, 1946 Combined Spark Gap and Insulator
CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits
STEINMAYER, Alwin G.
Spark Gap Line Material Co.
 1951
U 2,571,495 October 16, 1951 Adjustable Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.
 1953
U 2,650,263 August 25, 1953 Bracket Construction
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.

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