United States Court of Appeals For the Ninth Circuit . rarioiis Defendants. 1429 UNITED STATES PATENT OFFICE. THUIIE LARSSON, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO HIMSELF, W. E. D. STOKES,OF NEW YORK, N. Y., AND FRED A. JONES, OF WORCESTER, MASSACHUSETTS. SBILLING-MACHINE. No. 877,572. Specification of Letters Patent. Patented Jan. 28, 1908. Applicaticn fileJ Hi; Serial No. B jnewed Jone 20,1907. Serial No. 379,926. To all whom it may concern: Be it known that I, Thutie Laksson, asubjnct of the King of Sweden, residing atWorcester, in the couuty of Worcester and6 State of
United States Court of Appeals For the Ninth Circuit . rarioiis Defendants. 1429 UNITED STATES PATENT OFFICE. THUIIE LARSSON, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO HIMSELF, W. E. D. STOKES,OF NEW YORK, N. Y., AND FRED A. JONES, OF WORCESTER, MASSACHUSETTS. SBILLING-MACHINE. No. 877,572. Specification of Letters Patent. Patented Jan. 28, 1908. Applicaticn fileJ Hi; Serial No. B jnewed Jone 20,1907. Serial No. 379,926. To all whom it may concern: Be it known that I, Thutie Laksson, asubjnct of the King of Sweden, residing atWorcester, in the couuty of Worcester and6 State of Massachusetts, have invented a newand useful Diiilinw-Maciuuo, of which ia a specification. This invention relates to that class ofdrilling machines v/liich are temployed for 10 boring oil-wells, .iVitesian-wells, wells for long-run plunger elevators, or for similar especial objects of this invention are toconstruct the rotary head which transmitspower for operating a dfive-pipo so tliat it 16 may to used to assist in coup
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