Patent search ap:("DAY COMPANY OF CANADA") AND inv:"RICH CLIFFORD E" Page 1

1.

发明专利
PARTICLE CLASSIFIER FOR REFUSE SCREENINGS AND THE LIKE 未知

公开(公告)号：CA590685A

公开(公告)日：1960-01-12

申请号：CA590685D

Applicant: DAY COMPANY OF CANADA

Inventor： RICH CLIFFORD E

2.

发明授权
Particle classifier for refuse screenings and the like 失效
Title translation: 用于垃圾筛选的粒子分类器等

公开(公告)号：US2815858A

公开(公告)日：1957-12-10

申请号：US57848256

申请日：1956-04-16

Applicant: DAY COMPANY OF CANADA

Inventor： RICH CLIFFORD E

IPC: B07B4/08

CPC classification number: B07B4/08

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