Principia Corporation; The Trademarks
THE PRINCIPIA
Filed: February 20, 1923
Printed Periodical Publications
Owned by: Principia Corporation; The
Serial Number: 71176372
PRINCIPIA
Filed: October 18, 1979
Educational Services-Namely, Providing Educational Instruction on a College Level
Owned by: Principia Corporation; The
Serial Number: 73235681