申请人 |
NORTON CO., WORCESTER, MASS., US |
发明人 |
RUE, CHARLES V., PETERSHAM, MA 01366, US;VAN DE MERWE, RONALD H., NIAGARA FALLS, ONT.L2J 4E3, CA;BAUER, RALPH, NIAGARA FALLS, ONT.L2G 7H6, CA;PELLOW, SCOTT W., NIAGARA FALLS, ONT.L2E 6G4, CA;COTTRINGER, THOMAS, NIAGARA FALLS, ONT.L2E 5L1, CA;KLOK, RICHARD J., NIAGARA FALLS, ONT.L2G 6Z9, CA |