September 18, 1937 Trademarks
PETREX
Filed: September 18, 1937
RESINOUS, ORGANIC, POLYBASIC ACID INTERMEDIATE FOR MAKING SYNTHETIC RESINS
Owned by: HERCULES INCORPORATED
Serial Number: 71397537
COLONIAL
Filed: September 18, 1937
THREAD MADE OF FLAX FOR SHOEMAKERS' USE
Owned by: Ludlow Corporation
Serial Number: 71397542
