Texas Patents - 2 Matching Results

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Apparatus for Molding Hollow Concrete Walls
Patent for an apparatus that is a mold for crafting hollow concrete walls. Illustration included.
Lawn-Mower.
Patent for lawn mower with special stationary blades; designed to improve the operation of the rotary blades with which the stationary blades come into contact, thus "insuring an easy running, and a perfectly clean and smooth shearing of the grass, and prevent any shock, grinding or clicking, when the contact is made" (lines 8-11).
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