United States Patents & Patent Applications
We've held nearly 500 patents throughout our 75-year history.
Title & Product |
U.S. Patent + App. # |
---|---|
Door Edge Construction |
U.S. Pat. 7,621,102 U.S. Pat. 7,886,501 U.S. Pat. 7,775,013 U.S. Pat. 7,587,876 |
Title & Product |
U.S. Patent + App. # |
---|---|
Wall Installation System & Methods |
U.S. Pat. 9,290,931 |
Title & Product |
U.S. Patent + App. # |
---|---|
Privacy Curtain Loading System & Method |
U.S. Pat. 9,320,380 |
Privacy or Cubicle Curtain System & Carrier Thereof |
U.S. Pat. 11,297,966 |
Title & Product |
U.S. Patent + App. # |
---|---|
Entrance Floor System |
U.S. Pat. 9,340,983 |
Entrance Floor System |
U.S. Pat. 10,722,991 |
Portion of an Entrance Floor |
U.S. Pat. D744,119 |
Modular Entrance Floor System |
U.S. Pat. 8,291,670 U.S. Pat. 8,601,767 U.S. Pat. 8,997,432 |
Entrance Floor System |
U.S. Pat.10,722,991 |
Title & Product |
U.S. Patent + App. # |
---|---|
Modular Joint Barrier Retainer Assembly and Method |
U.S. Pat. 9,428,904 |
Stair Expansion Joint System with Freedom of Movement Between Landings |
U.S. Pat. 9,758,981 |
Title & Product |
U.S. Patent + App. # |
---|---|
Stair Expansion Joint System with Freedom of Movement Between Landings |
U.S. Pat. 9,869,084 |
Stair Expansion Joint System with Freedom of Movement Between Landings |
U.S. Pat.10,584,480 |
Moveable Stairs Systems & Methods |
U.S. Pat.10,968,636 |
Rotational Connections for Stairs |
U.S. Pat.11,332,923 |
Moveable Stairs Systems & Methods |
U.S. Pat.11,332,940 |
Modular Stair System |
U.S. Pat.10,794,062 |
Modular Stair System |
U.S. Pat.10,370,856 |
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