Texas Patents - 4 Matching Results
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- Cattle-Guard.
- Patent for a cattle guard, which is made up of a wedge shaped piece of metal that allows a cows leg to be caught rather than the foot to allow easier removal of the leg by the cow.
- Nut-Lock.
- Patent for a combined nut lock and washer for use on railroad track joints.
- Nut Lock
- Patent for a nut lock. Illustration included.
- Nut-Lock.
- Patent for a nut lock for railroad joints, which includes spring washers.