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Chemetron Corp
Chemetron
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3226915A
Hydrogen diffusion unit
Expired / Lapsed
1962-08-06
1966-01-04
2
Details
US3166731A
Ultrasonic testing device
Expired / Lapsed
1959-11-24
1965-01-19
1
Details