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Eastman Oil Well Survey Co

Eastman Oi
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2649715A Temperature measuring and indicating apparatus Expired / Lapsed 1947-05-08 1953-08-25 0 Details
US2489566A Core orienting apparatus Expired / Lapsed 1945-11-27 1949-11-29 0 Details