Fire-Extinguishing Apparatus (open access)

Fire-Extinguishing Apparatus

Patent for "a more simple, efficient, and convenient arrangement than has hitherto been known" for fire extinguishers (lines 16-17).
Date: July 29, 1890
Creator: Stamps, William Oscar
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene gas generator, which is chiefly operated by the fall of a gas-bell.
Date: July 29, 1902
Creator: Ray, Samuel W.
System: The Portal to Texas History
Cover for Pass-Books (open access)

Cover for Pass-Books

Patent for a cover for a passbook with a transparent cover to view the book.
Date: July 29, 1912
Creator: Exline, Marcus Page
System: The Portal to Texas History
Internal Combustion Engine. (open access)

Internal Combustion Engine.

Patent for a simplified internal combustion engine that is lighter and more efficient than previous models. It also features detachable and removable parts that will decrease time and cost of repairs, includes illustrations.
Date: July 29, 1919
Creator: Higbee, Charlie D.
System: The Portal to Texas History