United States Court of Appeals For the Ninth Circuit . D \o( Invenfors^ /f/¥or/7eyj. i38o Arthur G. Willard et al. vs. A. G. 4 C, E. WILCOX. WELL BORING APPARATUS. APPLICATION FlUO , 1911. 1,149,486. Patented Aug. 10, 1915. 2 ^ ^ fe^ W~~/i ^8 ^^ /Jf/orneys. rarious Defendants. i38r UNITED STATES PATENT OFFICE. ARTHUB G. WILLARD, OF LOS ANGELES, AND CHARLES E. WILCOX, OF BAKEBSFIELD,CALIFORNIA; SAID WILCOX ASSIGNOR TO WILLIAM W. WILSON, OF LOS ANGELES,CALIFORNIA. WELL-BORING APPARATUS. 1,149,486. Specification of Letters Patent. Patented Aug. 10, 1915. Application fi
United States Court of Appeals For the Ninth Circuit . D \o( Invenfors^ /f/¥or/7eyj. i38o Arthur G. Willard et al. vs. A. G. 4 C, E. WILCOX. WELL BORING APPARATUS. APPLICATION FlUO , 1911. 1,149,486. Patented Aug. 10, 1915. 2 ^ ^ fe^ W~~/i ^8 ^^ /Jf/orneys. rarious Defendants. i38r UNITED STATES PATENT OFFICE. ARTHUB G. WILLARD, OF LOS ANGELES, AND CHARLES E. WILCOX, OF BAKEBSFIELD,CALIFORNIA; SAID WILCOX ASSIGNOR TO WILLIAM W. WILSON, OF LOS ANGELES,CALIFORNIA. WELL-BORING APPARATUS. 1,149,486. Specification of Letters Patent. Patented Aug. 10, 1915. Application filed April 28,1911. Serial No. 623,808. To all whom it may concern: Be it known that we, Arthur Gay and Charles E. Wilcox, citizens of theUnited States, residing, respectively, at Los5 Angeles, in the county of Los Angeles andState of California, and at Bakersfield, inthe county of Kern and State of California,have jointly invented new and useful Im-provements in Weil-Boring Apparatus, of 10 which the following is a speciiication. This invention relates to the art of wellboring or well drilling, and more particu-larly to well borers which, in standard prac-tice, are provided with rotary tops where- 15 by are caused the rotation of the bo
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