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Plow.
Patent for a plow, which attaches to cultivators that both turns the earth destroying weeds and puts some soil around the tops of the young plants to keep them low growing.
Date:
May 11, 1909
Creator:
Avery, Charles Lafayette
System:
The Portal to Texas History
Alarm.
Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date:
May 29, 1906
Creator:
Hobbs, Francis Marion
System:
The Portal to Texas History