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Holdflask Trademarks
HOLDFLASK
Plastic weighted flask rings for use in laboratories
Cancelled
·
October 5, 2001
·
78087097
·
HOLDFLASK
Plastic weighted flask rings for use in laboratories
Cancelled
·
August 1, 2001
·
78076817
·
HOLDFLASK
Plastic weighted flask rings for use in laboratories
Cancelled
·
March 7, 2008
·
77416243
·
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