Patent search ap:("ST PAUL WHITE LEAD AND OIL COM") AND inv:"CLARENCE DEUTSCH" Page 1

1.

发明授权
Color planner 失效
Title translation: 颜色规划师

公开(公告)号：US2201888A

公开(公告)日：1940-05-21

申请号：US10977636

申请日：1936-11-07

Applicant: ST PAUL WHITE LEAD AND OIL COM

Inventor： CLARENCE DEUTSCH

IPC: G01J3/52

CPC classification number: G01J3/528 , G01J3/522

Patent Agency Ranking