IP Library › Granted Patent US 1,142,983
Granted Patent S1
US 1,142,983 · App. 29/990,307 · Granted Aug 18, 2026

Orthopaedic surgical reference instrument

Inventors: James E. Barnett (Leeds, GB); Robert Freeman (Hebden Bridge, GB); David WH Liu (Queensland, AU)
Assignee: DePuy Ireland Unlimited Company
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Quick Facts
Patent No.
US 1,142,983
App. No.
29/990,307
Granted
Aug 18, 2026
Kind
S1
Claims (1)

The ornamental design for an orthopaedic surgical reference instrument, as shown and described.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2025
From: BARNETT, JAMES E.; FREEMAN, ROBERT
To: DEPUY INTERNATIONAL LIMITED
Reel/Frame 070344/0469 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2025
From: LIU, DAVID WH
To: DEPUY SYNTHES PRODUCTS, INC.
Reel/Frame 070344/0521 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2025
From: DEPUY INTERNATIONAL LIMITED; DEPUY SYNTHES PRODUCTS, INC.
To: DEPUY IRELAND UNLIMITED COMPANY
Reel/Frame 070344/0562 →
Continuity (1)
Division 29853614 · Sep 16, 2022
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