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, alongside Lawrence J. Warnalis from Medford, Massachusetts, Spinney received a patent that detailed Biltrite's artificial grass product Poly-Turf along with its accompanying layers, which were applied on top of asphalt, as an effective approach to building a football or soccer field using synthetic turf.