Spark Arrester. (open access)

Spark Arrester.

Patent for a new and improved spark-arrester. This design consists in "[t]he combination of an inverted-U-shaped pipe joined to the smoke-stack of an engine, a suitable damper located at the junction, a water receptacle suspended from the free end of said pipe, and a water-pipe leading into said end from the boiler of the engine" (lines 85-90).
Date: May 4, 1886
Creator: Ledbetter, William Hughes
System: The Portal to Texas History
AUTOMOBILE-TOOL. (open access)

AUTOMOBILE-TOOL.

Patent for an automobile tool for the Ford make of automobiles that "will hold the springs away from the bands and allow the bands to be removed and replaced or adjusted, when necessary" (lines 29-32) including instructions and illustrations.
Date: May 4, 1920
Creator: ROBERGE, JAMES Z.
System: The Portal to Texas History
Roofing-Tile. (open access)

Roofing-Tile.

Patent for an improved plastic roofing tile with sealing, locking, pseudo-dove tail joints.
Date: May 4, 1920
Creator: Martin, John M.
System: The Portal to Texas History