(Download) "Union Switch & Signal Co. V. Frog" by Sixth Circuit Circuit Court Of Appeals ~ eBook PDF Kindle ePub Free
eBook details
- Title: Union Switch & Signal Co. V. Frog
- Author : Sixth Circuit Circuit Court Of Appeals
- Release Date : January 16, 1934
- Genre: Law,Books,Professional & Technical,
- Pages : * pages
- Size : 58 KB
Description
The patent in suit is reissue No. 17,252 issued April 2, 1929, to Snavely and Wells and assigned to appellant. The original patent, No. 1,676,466, was granted July 10, 1928, for an electrical relay, designed primarily for use in operating a flashing
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