IP Library › Granted Patent US 877,889
Granted Patent S1
US 877,889 · App. 29/603,280 · Granted Mar 10, 2020

Negative pressure unit

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Quick Facts
Patent No.
US 877,889
App. No.
29/603,280
Granted
Mar 10, 2020
Kind
S1
Claims (1)

The ornamental design for a negative pressure unit, as shown and described.

Assignments (3)
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 Aug 31, 2023
From: KCI LICENSING, INC.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 064790/0085 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 7, 2017
From: DEKRUIF, DANIEL W.; SEDDON, JAMES KILLNGWORTH; LOCKE, CHRISTOPHER BRIAN; PRATT, BENJAMIN ANDREW; LUCKEMEYER, JAMES A.; SMITH, KENNETH R.
To: KCI LICENSING, INC.
Reel/Frame 043220/0071 →