IP Library › Granted Patent US 898,223
Granted Patent S1
US 898,223 · App. 29/683,365 · Granted Oct 6, 2020

Holder for multiple dental composite shade guides

Inventors: Fusu Thao (Cottage Grove, MN); Philip N. Stankard (Minneapolis, MN); Michael J. Vostal (Minneapolis, MN); Lois F. Duerst (Hudson, WI); Dylan R. Johnson (St. Paul, MN)
Assignee: 3M Innovative Properties Company
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Quick Facts
Patent No.
US 898,223
App. No.
29/683,365
Granted
Oct 6, 2020
Kind
S1
Claims (1)

The ornamental design for a holder for multiple dental composite shade guides, 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 Jul 16, 2019
From: THAO, FUSU; VOSTAL, MICHAEL J.; STANKARD, PHILIP N.; DUERST, LOIS F.; JOHNSON, DYLAN R.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 049764/0397 →