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Protectozone Trademarks
PROTECTOZONE
POLYMERIC AND GEL-FORMING CHEMICAL COMPOSITIONS FOR USE IN TEMPORARILY PLUGGING WELLS AND SUBTERRANEAN FORMATIONS
Cancelled
·
October 20, 1969
·
72341448
·
PROTECTOZONE
WELL TREATING SERVICES-NAMELY, INJECTING POLYMERIC AND GEL-FORMING CHEMICAL COMPOSITIONS INTO WELLS AND SUBTERRANEAN FORMATIONS
Expired
·
October 20, 1969
·
72341447
·
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