IP Library › Granted Patent US 705,509
Granted Patent S1
US 705,509 · App. 29/438,332 · Granted May 20, 2014

Electronic indicator device for cleaning monitoring

Inventors: Dong Liu (Shanghai, CN); Zhiguo Wen (Shanghai, CN); Yinghua Yang (Shanghai, CN); Chunyu Zhang (Shanghai, CN); Pingle Zhou (Shanghai, CN)
Assignee: 3M Innovative Properties Company
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Quick Facts
Patent No.
US 705,509
App. No.
29/438,332
Granted
May 20, 2014
Kind
S1
Claims (1)

The ornamental design for an electronic indicator device for cleaning monitoring, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: 3M INNOVATIVE PROPERTIES COMPANY
To: SOLVENTUM INTELLECTUAL PROPERTIES COMPANY
Reel/Frame 066438/0323 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 6, 2013
From: LIU, DONG; WEN, ZHIGUO; YANG, YINGHUA; ZHANG, CHUNYU; ZHOU, PINGLE
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 029763/0823 →
Priority Claims (1)
CN 2012 3 0211732 · May 31, 2012 · national