§
Luxuse
Patent Intelligence
Sign In
Patent US2425119A successfully refreshed from Google Patents.
← Back to Companies

OIL EQUIPMENT ENGINEERING Corp

OIL EQUIPM
Active Patents
0
Total Holdings
3

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2253536A Apparatus for cementing wells Expired / Lapsed 1939-06-29 1941-08-26 0 Details
US2253537A Apparatus for cementing wells Expired / Lapsed 1939-06-29 1941-08-26 0 Details
US2217708A Well cementing method and apparatus Expired / Lapsed 1939-05-08 1940-10-15 0 Details