Electrical and scientific apparatus Trademarks Filed in November 1, 1948
SMOKE-EATER
Filed: November 1, 1948
GAS MASK ASSEMBLY
Owned by: E. D. BULLARD COMPANY
Serial Number: 71567948
MULTI-GAS
Filed: November 1, 1948
GAS MASK ASSEMBLY
Owned by: E. D. BULLARD COMPANY
Serial Number: 71567949
