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Inventor: Cheung; Wah Kan
Address: Richmond Hill, Ontario, CA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503820 |
Multi-layered sports board |
March 17, 2009 |
| The invention is directed to a sports board (15). In the preferred embodiment, the sports board comprises a polymer film layer (16) having an outer surface (18) and an inner surface (19), a polyethylene foam layer (23) having first (24) and second (25) outer surfaces, and an extruded |
| 7422228 |
Sports board |
September 9, 2008 |
| The invention is directed to a sports board (15). In the preferred embodiment, the board comprises an expanded polymer foam core (16), an extruded thermoplastic polymer outer layer (20) having an inner surface (21) and an outer surface (22), an expanded polymer foam intermediate laye |
| 7303454 |
Side-reinforced multi-layered sports board |
December 4, 2007 |
| A sports board (15) comprising an elongated expanded closed-cell polyolefin foam core (16) having an upper surface (18), an opposed lower surface (19), a side surface (20) extending between the upper surface and the lower surface, a core density and a core thickness, a top polyolefin |
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