Boiler-Feed Regulator. (open access)

Boiler-Feed Regulator.

Patent for a new and useful boiler feed regulator, including instructions and illustrations.
Date: September 20, 1898
Creator: Mitchell, Charles Bradley
System: The Portal to Texas History
Cattle-Guard. (open access)

Cattle-Guard.

Patent for a simple cattle-guard that provides an unstable footing for the cattle without injuring them, and thus preventing the cattle from going onto train tracks. The cattle do not get injured when stepping on this device.
Date: February 20, 1894
Creator: Brady, Peter L.
System: The Portal to Texas History
Swingletree (open access)

Swingletree

Patent for a swingletree. Illustrations included.
Date: December 20, 1904
Creator: Brazell, David H.
System: The Portal to Texas History
Rocker Attachment (open access)

Rocker Attachment

Patent for the rocker attachment. This invention relates to furniture and has special reference to a rocking chair provided with a resilient cushion for the rockers. Illustration is included.
Date: February 20, 1917
Creator: Fitz, Will & Fitz, Peter
System: The Portal to Texas History