REMOVE

1. ca 1930's

WHAT

1. Food (1)
2. Health/Beauty (1)
3. Soap/Laundry (1)

WHERE

1. DOT (1)
2. Iodent (1)
3. Uneeda (1)

WHO

1. Dot Produccts Co. - Detro … (1)
2. Iodent Chemical Company-D … (1)
3. National Biscuit Company … (1)

WHEN

1. ca 1930's (3)