| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '343') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '343';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1889 | ||||||
| U | 414,943 | November 12, 1889 | Method of Utilizing Natural Electric Energy Method of capturing electric energy from lightning rods and storing in a battery |
DEWEY, Mark W. |
Lightning Energy | The Dewey Corp. |
| 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 | 2,003,225 | May 28, 1935 | Guy Insulating and Grading Means Guy strain insulator for radio antenna guy wires |
VROOMAN, Edward C. |
Antenna | Locke Insulator Corp. |
| 1938 | ||||||
| U | 2,135,344 | November 1, 1938 | Transposed Lead-In Transposition for radio line |
JOHNSTON, Fred E. |
Transposition | Crosley Radio Corp. |
| 1967 | ||||||
| U | 3,347,003 | October 17, 1967 | Protective Mounting Structure for Retractable Antenna Retractable antenna for a bomb shelter |
LAPP, Rudolph S. |
Antenna | Lapp Insulator Co., Inc. |
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