Sharpeners Sparx Skate Sharpeners Covered by one or more of the following U.S patents: 11969851, 11919119, 10300574, 10065282, 9573236, 9566682, 9475175, 9352444, 9352437, 9242330, 9114498, D793830, international equivalents, or one or more of the patents referenced at www.sparxhockey.com/patents. Other patents pending.
Grinding Rings Sparx Radius Ring, FIRE Ring Covered by one or more of the following U.S patents: 9902035, 9669508, international equivalents, or one or more of the patents referenced at www.sparxhockey.com/patents. Other patents pending.
Accessories Sparx Edge Checker Covered by one or more of the following U.S patents: 9897430, international equivalents, or one or more of the patents referenced at www.sparxhockey.com/patents. Other patents pending.

Sparx Optical Alignment Tool

 Covered by one or more of the following U.S patents: 10065282, international equivalents, or one or more of the patents referenced at www.sparxhockey.com/patents. Other patents pending.
Sparx Blade Holder
Covered by one or more of the following U.S patents: 10335925, international equivalents, or one or more of the patents referenced at www.sparxhockey.com/patents. Other patents pending.