| 申请人 |
UNION OIL CO. OF CALIFORNIA, EL SEGUNDO, CALIF., US |
发明人 |
SWEETLAND, JAMES, E., DECATOR, TX 76234, US;SMITH, THOMAS, M., GRAPEVINE, TX 76123, US;DODSON, DAVID, H., DECATUR, TX 76234, US;STOVER, TIMOTHY, A., PONDER, TX 76259, US;EASLEY, MICHAEL, E., TERRIN, TX 76486, US |
