|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Metal') ORDER BY date ASC, patent, type|
Total of 6 patents found where: Category is 'Metal';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||8,418||October 14, 1851||Improvement in Insulators for Telegraph Wires
Metal or cast iron insulator with cupped dry area at bottom. Glass poured in with a conductor supporting iron rod embedded in the glass, and the cupped is coated or lined with glass, porcelain, or enamel. The bottom skirt is slanted inward 45 degrees to p
|BATCHELDER, John M.
|U||71,564||November 26, 1867||Improvement in Telegraph Insulators
Metal shell lined with glass or porcelain with wooden pin and paraffin cavity
|WOOD, Merritt L.
||Metal||2/3 to S. Porter & L. M. Monroe|
|U||310,059||December 30, 1884||Insulator
Metal plate to hold wire on side of insulator
|JAMES, Hamilton L.
|U||750,722||January 26, 1904||Insulator
Metal encased insulator with metal cap to hold cable (Brown p. 25)
|U||849,731||April 9, 1907||Insulator
Metal crown cap
|U||1,988,369||January 15, 1935||Radio Interferenceproof Insulator
Metal cap cemented into recessed formed in top of pin type insulator
|BROWN, Harold H.
||Metal||Locke Insulator Corp.|
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