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Perlok Trademarks
PERLOK
Metal screw and plate combination for holding insulation boards and/or water proofing membranes to flat roofs and perimeters
Registered
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October 21, 2004
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78503415
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PERLOK
combination screw and plastic plate for holding insulation boards and/or water proofing membranes to flat roofs and perimeters
Cancelled
·
March 11, 1991
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74146018
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