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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US455854223 déc. 198017 déc. 1985Stick-on abrasive disc
US54177263 févr. 199423 mai 1995Minnesota Mining and Manufacturing CompanyCoated abrasive backing
US557361929 oct. 199312 nov. 1996Minnesota Mining and Manufacturing CompanyMethod of making a coated abrasive belt with an endless, seamless backing
US557809610 août 199526 nov. 1996Minnesota Mining and Manufacturing CompanyMethod for making a spliceless coated abrasive belt and the product thereof
US558489729 déc. 199517 déc. 1996Minnesota Mining and Manufacturing CompanyMethod for making an endless coated abrasive article
US56097068 mai 199511 mars 1997Minnesota Mining and Manufacturing CompanyMethod of preparation of a coated abrasive belt with an endless, seamless backing
US568161220 févr. 199628 oct. 1997Minnesota Mining and Manufacturing CompanyCoated abrasives and methods of preparation
US583024821 nov. 19963 nov. 1998Minnesota Mining & Manufacturing CompanyMethod for making a spliceless coated abrasive belt
US592491724 oct. 199720 juil. 1999Minnesota Mining and Manufacturing CompanyCoated abrasives and methods of preparation
US606618816 juil. 199823 mai 2000Minnesota Mining and Manufacturing CompanyCoated abrasive belt with an endless seamless backing and method of preparation
US640657617 oct. 199618 juin 20023M Innovative Properties CompanyMethod of making coated abrasive belt with an endless, seamless backing
US640657717 oct. 199618 juin 20023M Innovative Properties CompanyMethod of making abrasive belt with an endless, seamless backing
US66381519 oct. 200128 oct. 2003Tateo UegakiPolishing instrument
US67231425 juin 200220 avr. 2004Tepco Ltd.Preformed abrasive articles and method for the manufacture of same
US686669220 nov. 200315 mars 2005Tepco Ltd.Preformed abrasive articles and method for the manufacture of same

Dessins