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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 = 'JENNER') AND (first_name = 'Ralph L.') ORDER BY date ASC, patent, type

Total of 4 patents found where: Last Name is 'JENNER'; First Name is 'Ralph L.';

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T / S Patent Date Description Patentee Category Assigned To
 1933
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna		 JENNER, Ralph L.
 Antenna Lapp Insulator Co., Inc.
 1935
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna		 LAPP, Grover W.
JENNER, Ralph L.
 Antenna Lapp Insulator Co., Inc.
 1939
U 2,144,537 January 17, 1939 Insulator Construction
Metal end cap for post insulator		 JENNER, Ralph L.
 Post Type Lapp Insulator Co., Inc.
 1953
U 2,625,581 January 13, 1953 Guy Insulator
Heavy duty guy strain insulator		 JENNER, Ralph L.
FIERO, Carl D.
 Strain Lapp Insulator Co., Inc.

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