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 = '16') AND (category.subclass = '431') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '16'; Subclass is '431';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1890 | ||||||
U | 433,284 | July 29, 1890 | Non-Conductive and Ornamental Handle for Vessels, $c. Composition handle for tea pots, knives, door knobs, and electrical switches |
GOULD, William P. |
Composition | |
1948 | ||||||
U | 2,454,348 | November 23, 1948 | Latch for Electric Fence Gates Latch for electric fence using Surge insulators (see 2,350,420) (see design 126,721) (see design 126,722) (see 2,454,348) [see picture 170540955] |
SCHILLING, Lorell John |
Electric Fence | Babson Brothers Co. |
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