1 matching record(s)
file U (Stack)Elton, Charles S. (Charles Sutherland), 1900-1991 ; Ranson, Richard Mortlock
Patent specification ... improved container for rat poison bait
Leamington Spa : printed for H.M.S.O. by the Courier Press, 1942. "Application date: June 12, 1940. No. 10202/40. Complete specification left: July 11, 1941. Complete specification accepted: Dec. 15, 1941."--p. [1]. Patent no. 541,844.
[Unknown]
1942