Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Patent for a drill apparatus that improves the head gears and driving mechanisms that makes for an efficient driving of the apparatus and allows for free vertical movement.
Patent for a surgical splint specifically for the substitution of erectile tissue of the corpora cavernous of the genital organ to promote fecundation even in the absence of an erection.
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