LexDanaLexDanabeta
Inventor

Er Ren Zhong

Inventor
Shanghai, CN

Overview

4→
Patents
2020–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B02Cprimary
B02CCrushing, pulverising, or disintegrating in general100%
PatentTitleYear
11,090,657Automatic paper shredder202111,084,041Paper shredder with paper limiter202111,052,402Automatic paper shredder with staple removing structure and staple removing method using same202110,875,029Paper scrap pushing structure of paper shredder2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020–2021Patents assigned to AURORA OFFICE EQUIP CO LTD SHANGHAI (4)· patent assignee history
2020–2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AURORA OFFICE EQUIP CO LTD SHANGHAI42020–2021
Locations
LocationPatentsSpan
Shanghai, CN42020–2021