[Trade Journal] Publication: Western Electrician Chicago, IL, United States |
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ILLUSTRATED ELECTRICAL PATENT RECORD. Issued (United States Patent Office) August 25, 1908. · ·
896,934. Insulator. John P. Nikonow, East Pittsburg, Pa. Application filed October 22, 1907. Details of suspended-type insulator construction are described. (See cut.) · · |
Keywords: | Insulator : Suspension : Patent |
Researcher notes: | |
Supplemental information: | Patent: 896,934 |
Researcher: | Bob Stahr |
Date completed: | October 6, 2009 by: Bob Stahr; |