Patent search ap:("MASONITE CORP") AND inv:"GRISSOM ROBERT E" Page 1

1.

发明授权
Process of treating hardboard surfaces 失效
Title translation: 处理硬质合金表面的工艺

公开(公告)号：US3056718A

公开(公告)日：1962-10-02

申请号：US82350259

申请日：1959-06-29

Applicant: MASONITE CORP

Inventor： GRISSOM ROBERT E , SAUMS WILLIAM A

IPC: B27K5/00 , B27K5/06 , B27M1/02 , D21J1/08

CPC classification number: B27M1/02 , D21J1/08

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