1941: Ulster Knife is sold to a group headed by Albert and Henry Baer of New York City, the control of the Ulster Knife Company was transferred from the Divine family, and with assistance from Frank Kethcart and Edward Wallace, modernized the factory for mass production.
1942: Ulster Knife and Imperial Knife join to become Imperial Knife Associated Companies. The company commits itself to producing knives for the military throughout World War II. Albert Baer is joined in the business by his older brother, Henry Baer.
1943: Albert Baer organizes Kingston Cutlery Company (an old Ulster trademark), a joint venture with Imperial to make government contract knives.
1946: Albert M. Baer, under Kingston Cutlery Company, buys Schrade Cutlery Company and renames it the Schrade Walden Cutlery Corp. It becomes a division of Imperial Knife Associated Companies Group.
1958: The Schrade Walden Cutlery division moves from Walden, NY to Ellenville, NY. for consolidation with Ulster Knife Company after a 1957 fire in the Walden factory.