| 申请人 |
BENTELER INDUSTRIES, INC., GRAND RAPIDS, MICH., US |
发明人 |
BUTKIEWICZ, STEVEN J., WYOMING, MICHIGAN 49509, US;CARRIER, SAMUEL H., RAVENNA, MICHIGAN 49451, US;FELLOWS, DONALD L., ROCKFORD, MICHIGAN 49341, US;HILL, FREDERICK B., ROCKFORD, MICHIGAN 49341, US;MATTSON, EARL W., CEDAR SPRING, MICHIGAN 49319, US;SCOFIELD, TERRENCE L., ALTO, MICHIGAN 49302, US |
