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Harold Horner of the Prestige Group Limited, London,
applied for his patent for "An Improved Cork Extracting
Device" on February 3, 1966. British patent 1,116,853 was
published June 12, 1968. Prestige Registered the design for
their cork ejector in 1966 (No. 925,232).
The operation of Horner's invention was basically the same
as the Corkette with the added feature of an easily
replaceable needle. This is described in the patent as "…the
probe has at its other end an enlargement and a connecting
piece extending from the enlargement, which connecting
piece is received in and connected to the outlet port in the
main part, and wherein the enlargement contains a one way
valve."
Prestige placed operating instructions on the back of the
box and included this warning:
The Cork Boy should only be used to open full bottles of still wine which are of
a standard cylindrical shape.
Horner also obtained patents in Belgium (693,084), France (1,509,521), Germany
(1,958,715), The Netherlands (6,701,613), and Spain (336,014).