Is American m3 bayonet 1943 made by Ontario Company?

The American bayonet trench knife of M3 Mark III trench in Ontario, Ontario ~ ~ Mark I trench knife was an American expedition during World War I.

U.S army bayonet trench knife ~ ~ ~ in M3 Mark III trench in Ontario, Ontario.

Mark I trench is a double-edged knife designed by the American Expeditionary Force (AEF) during the First World War. Compared with the earlier American trench knives M 19 17 and M 19 18, Mark I has better piercing and cutting ability.