"5789"^^ . . . "Callan Data Systems"@en . "in Westlake Village, California"@en . . "Callan Data Systems logo.svg"@en . . . . . . . . . "Callan Data Systems"@en . . . . . . . . . . . . . . . . . . . . "1980"^^ . . . . . . "Callan Data Systems, Inc. was an American computer manufacturer founded by David Callan in Westlake Village, California on January 24, 1980. The company was best known for their Unistar range of Unix workstations, and shut down again in 1985."@en . "Bankruptcy liquidation"@en . . . . . "Computers"@en . . . . . . . . "Callan Data Systems, Inc. was an American computer manufacturer founded by David Callan in Westlake Village, California on January 24, 1980. The company was best known for their Unistar range of Unix workstations, and shut down again in 1985."@en . . . . . "1117058772"^^ . . . . . "Callan Data Systems"@en . . . . . . . . . . . . . "Bankruptcy liquidation"@en . . . . . . . "David Callan"@en . . . . "7527979"^^ .