| 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 = '310') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '310';
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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. |
| 1901 | ||||||
| U | 678,195 | July 9, 1901 | Third Rail Insulator Third rail insulator with iron mounting bracket and cap to support the rail |
POTTER, William B. |
Third Rail | General Electric Co. |
| 1931 | ||||||
| U | 1,796,427 | March 17, 1931 | Process and Apparatus for Testing Insulators Apparatus to run a high voltage test on insulators (see 1,750,699 and 1,796,427) |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
| 1938 | ||||||
U  |
2,118,795 | May 24, 1938 | Insulator RFI: tin iridized coating to reduce water adherence, radio interference, and reflect sun |
LITTLETON, Jesse T. |
RFI | Corning Glass Works |
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