Resource Type

Lifeboat (open access)

Lifeboat

Patent for a lifeboat that "prevents the boat from capsizing" (lines 19-20) or sinking.
Date: November 25, 1919
Creator: Rusk, Raymond
System: The Portal to Texas History
Pump-Filter. (open access)

Pump-Filter.

Patent for a pump filter, designed for double acting air pumps, that prevents the passage of foreign matter (oil, dust, dirt) from the pump outlet.
Date: November 25, 1913
Creator: Miles, Ross E.
System: The Portal to Texas History