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Primary view of Hydrocarbon-Burner.
Hewett, John A.
August 21, 1917
Primary view of Tie-Up Stand for Mail.
Zerwer, John A.
June 5, 1917
Primary view of Electric-Motor Drive.
Whitt, Joseph E.
July 31, 1917
Primary view of Shovel-Fastening for Cultivators
Kirkpatrick, James M. & Tirey, Grover C.
December 18, 1917
Primary view of Self Locking Mechanism for Steering Wheel Shafts of Automobiles.
Cowart, Stephen A.
April 3, 1917
Primary view of Burglar-Alarm.
Alderman, Joseph S.
October 30, 1917
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