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GEN ZEOLITE Co
GEN ZEOLIT
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US1870321A
Filtration plant control
Expired / Lapsed
1927-11-17
1932-08-09
0
Details
US1869144A
Liquid treatment
Expired / Lapsed
1928-08-20
1932-07-26
0
Details