IP Library › Granted Patent US 576,290
Granted Patent S1
US 576,290 · App. 29/246,770 · Granted Sep 2, 2008

Step ladder

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Quick Facts
Patent No.
US 576,290
App. No.
29/246,770
Granted
Sep 2, 2008
Kind
S1
Claims (1)

The ornamental design for a step ladder, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded Sep 29, 2016
From: AMERIWOOD INDUSTRIES, INC.
To: DOREL HOME FURNISHINGS, INC.
Reel/Frame 040147/0673 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 26, 2014
From: COSCO MANAGEMENT, INC.
To: AMERIWOOD INDUSTRIES, INC.
Reel/Frame 034485/0130 →