Resource Type

CONCRETE-BLOCK MACHINE (open access)

CONCRETE-BLOCK MACHINE

Patent for "improvements in means for improving cement or concrete blocks."(ln. 12-14)
Date: February 10, 1914
Creator: Cathriner, Joseph
System: The Portal to Texas History
Lawn-Trimmer (open access)

Lawn-Trimmer

Patent for improved lawn trimmer "whereby the margins of a lawn adjacent side walks or curbing may be trimmed." (lines 12-14) including instructions and illustrations.
Date: April 10, 1917
Creator: Rial, John & Hodde, William C.
System: The Portal to Texas History