UNT Libraries Government Documents Department - 2 Matching Results
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- Bolt for Doors.
- Patent for the improvement of bolt locks on double doors using a lever lock for safety and ease of locking and unlocking one or both doors, including illustration.
- Improvement in Cotton-Seed Planters.
- Patent for the improvement to cotton-seed planters by connecting the wheel to the reciprocating stirrer to guide the seed from hopper to soil and covering it, including illustration.