[Trade Journal] Publication: Western Electrician Chicago, IL, United States |
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ILLUSTRATED ELECTRICAL PATENT RECORD. Issued (United States Patent Office) October 17, 1905. · ·
802,096. Tree Insulator. Charles W. Dunton, Boston, Mass., assignor of one-half to Frank D. Field, Cambridge, Mass. Application filed March 24, 1905. In a tree insulator are a swinging arm, means for attaching it to a tree, a support pivoted at its lower end to the extremity of the arm bearing an insulator and means for holding the electric wire. (See cut.) · · |
Keywords: | Dunton & Field : Tree Insulator |
Researcher notes: | |
Supplemental information: | Patent: 802,096 |
Researcher: | Bob Stahr |
Date completed: | March 21, 2009 by: Bob Stahr; |