Inventor

Qiufang Li

Inventor
Qinhuangdao, CN

Overview

1→
Patents
2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to CITIC DICASTAL CO LTD (1)· patent assignee history
2020Patents assigned to CITIC DICASTAL COLTD (1)· patent assignee history
2020Based in Qinhuangdao, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIC DICASTAL CO LTD12020
CITIC DICASTAL COLTD12020
Locations
LocationPatentsSpan
Qinhuangdao, CN12020