In 1972, along with Lawrence J. Warnalis of Medford, Massachusetts, Spinney was awarded a patent that described Biltrite's artificial grass product Poly-Turf as well as its associated layers of product, applied on top of asphalt, as a suitable way to construct a football or soccer field with artificial turf.
In 1972, along with Lawrence J. Warnalis of Medford, Massachusetts, Spinney was granted a patent that outlined Biltrite's artificial grass product Poly-Turf as well as its accompanying layers of product, applied on top of asphalt, as a viable method to construct a football or soccer field with synthetic turf.