Lubricants and fuels Trademarks Filed in December 1, 1911
PETRO
Filed: December 1, 1911
ENGINE OIL.
Owned by: WM. C. ROBINSON & SON, CO.
Serial Number: 71060014
FLEX
Filed: December 1, 1911
VALVE OIL
Owned by: WM C. ROBINSON AND SON CO.
Serial Number: 71060021
