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Hammer Discus Cages / Blog / Play Hard Sports Equipment receives beautifully presented plaque from the United States Patent and Trademark Office (USPTO).

Play Hard Sports Equipment receives beautifully presented plaque from the United States Patent and Trademark Office (USPTO).

29/10/2018hdcagesBlog

PHS receive a formal letter and a beautifully presented plaque from the United States (of America) Patent and Trademark Office (USPTO), advising Trevor Bowman (Inventor) of the US patent for the IAAF accredited Thor 10 Hammer Discus cage. Patent #9,889,366 B2

The USPTO maintains a permanent, interdisciplinary historical record of all U.S. patent applications to fulfil objectives outlined in the United States Constitution.