ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,471, issued on May 13, was assigned to RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V. (De Lier, Netherlands).
"Mutant allele of the ACO2 gene" was invented by Cornelis Van Der Maas (De Lier, Netherlands) and Cornelis Haaring (De Lier, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a mutant ACO2 gene allele, which leads to a plant of the family of Cucurbitacea, in particular a cucumber plant producing only male flowers. The invention also relates to a plant of the family of Cucurbitacea, in particular a cucumber plant, comprising the mutant ACO2 gene allele. The mutant ACO2 allele provides plants that only produc...