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Certron Trademarks
CERTRON
MAGNETIC TAPE AND MAGNETIC TAPE CARTRIDGE
Cancelled
·
February 22, 1971
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72384472
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CERTRON
MAGNETIC TAPE
Expired
·
May 17, 1966
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72245809
·
CERTRONIX
automated tensile strength testing system comprising computer software, hardware, and testing machines automated by the computer products
Cancelled
·
April 6, 1994
·
74509637
·
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