Lubricants and fuels Trademarks Filed in October 8, 1923
DICTAPHONOIL
Filed: October 8, 1923
LUBRICATING OIL
Owned by: DICTAPHONE CORPORATION
Serial Number: 71186699
ROTARY
Filed: October 8, 1923
Gasoline((, and Lubricating Oils and Greases))
Owned by: United Refining Company of Pennsylvania
Serial Number: 71186725
