IP Library › Granted Patent US 689,725
Granted Patent S1
US 689,725 · App. 29/390,338 · Granted Sep 17, 2013

Seat portion

Inventors: John Hamilton (San Rafael, CA); Jay Armstrong Grandin (North Vancouver, CA); Bruce Michael Smith (Grand Rapids, MI); James Ludwig (Grand Rapids, MI); Terence Sean Yoo (Distrito Federal, MX); Robert Peter Arko (San Francisco, CA); Justin Champaign (San Francisco, CA)
Assignee: Steelcase, Inc.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 689,725
App. No.
29/390,338
Granted
Sep 17, 2013
Kind
S1
Claims (1)

The ornamental design for a seat portion, as shown and described.

Assignments (3)
PATENT SECURITY AGREEMENT Recorded Feb 4, 2026
From: AMQ SOLUTIONS, LLC; HALCON FURNITURE LLC; SMITH SYSTEM MANUFACTURING COMPANY; STEELCASE INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 074944/0368 →
PATENT SECURITY AGREEMENT Recorded Feb 4, 2026
From: AMQ SOLUTIONS, LLC; HALCON FURNITURE LLC; SMITH SYSTEM MANUFACTURING COMPANY; STEELCASE INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 074944/0784 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 4, 2013
From: HAMILTON, JOHN R.; GRANDIN, JAY ARMSTRONG; SMITH, BRUCE MICHAEL; LUDWIG, JAMES; ARKO, ROBERT PETER; CHAMPAIGN, JUSTIN
To: STEELCASE INC.
Reel/Frame 029569/0961 →