UNT Libraries Government Documents Department - 3 Matching Results
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- Churn.
- Patent for a churn that is easy to use and efficient.
- Cultivator Attachment.
- Patent for a cultivator attachment - an extra component added to an earth tilling machine to adjust the harrow teeth and the path of earth disposed. Illustration included.
- Guard-Rail.
- Patent for a guard rail clamp for railroad tracks that does not require the use of bolts going through the rail or spacing blocks.