Beam and Shank Attachment (open access)

Beam and Shank Attachment

Patent for a beam and shank attachment for attaching harrows to cultivators.
Date: October 15, 1912
Creator: Trousdale, Robert A.
System: The Portal to Texas History
Weather Strip or Seal for Sliding Window-Sashes. (open access)

Weather Strip or Seal for Sliding Window-Sashes.

Patent for "a new and Improved Weather Strip or Seal for Sliding Window-Sashes" (lines 5-7), including instructions and illustrations.
Date: April 15, 1913
Creator: Cross, Ralph Waldo
System: The Portal to Texas History