Crist, Frank L. Trademarks
CERVI-ROLL
Filed: May 30, 1996
medical device designed to provide head and cervical spine immobilization of patients with possible cervical spine injuries…
Owned by: Crist, Frank L.
Serial Number: 75111640
HELMET HUGGER
Filed: February 2, 2000
support apparatus, namely, hard foam blocks designed to fit around motor sports helmets and athletic helmets for use in…
Owned by: Crist, Frank L.
Serial Number: 75907821
