Ventilated puck
W Gao - US Patent 12,040,206, 2024 - Google Patents
A ventilated puck is provided. The ventilated puck includes an upper box, a spider plate, and
a lower box. In particular, the upper box is fitted on the lower box to form a hollow structure …
a lower box. In particular, the upper box is fitted on the lower box to form a hollow structure …