"Koin-Pack" is listed in the trade mark registry.
It was registered by Akwell Industries of Dothan Alabama, for use on
prophylactic rubber articles. The document claims to have first used the
term in commerce in 1935
Best,
Tim
--
Timothy B. Riordan
Director of Archaeology
Historic St. Mary's City
P. O. Box 39
St. Mary's City, MD 20686
240-895-4975