Harold H. Brown Patent
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| The Brown patent model based on one of two designs shown in the original patent application which were intended to prevent RFI (radio frequency interference). This design was not included in the final patent. The bronze metal crown is cemented in a concave hole formed in the top of the insulator. On the right is a cast iron crown used on the Locke multipart "insert-type" insulators. Patent No. 1,988,369 was granted to Harold H. Brown on January 15, 1935. |
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