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Chem-Tech, Ltd.

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Records under this name other than patents Chem-Tech, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Chem-Tech, Ltd.

PatentTitleStatus Expires Confidence
US 5,020,689Metering and dispensing system
Term ended
Term ended no later than Jun 4, 2011 · Low confidence
Term endedTerm ended no later than Jun 4, 2011Low confidence
US 5,150,822Mixing head for dispensing an actine ingredient
Term ended
Term ended no later than Sep 29, 2012 · Low confidence
Term endedTerm ended no later than Sep 29, 2012Low confidence
US 5,326,228Liquid ejection mixing and dispensing apparatus
Term ended
Term ended no later than Jul 5, 2014 · Low confidence
Term endedTerm ended no later than Jul 5, 2014Low confidence
US 5,363,888Dispensing method and apparatus
Term ended
Term ended no later than Nov 15, 2014 · Low confidence
Term endedTerm ended no later than Nov 15, 2014Low confidence
US 5,375,635Tamper evident head for pressurized tanks including a lockout device
Term ended
Term ended no later than Dec 27, 2014 · Low confidence
Term endedTerm ended no later than Dec 27, 2014Low confidence
US 5,534,048Tin coating composition and method
Formerly held
Term ended
Term ended no later than Jul 9, 2016 · Low confidence
Term endedTerm ended no later than Jul 9, 2016Low confidence
US 5,562,950Tin coating composition and method
Formerly held
Term ended
Term ended no later than Oct 8, 2016 · Low confidence
Term endedTerm ended no later than Oct 8, 2016Low confidence
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