Canada - Patent No: 3757 on 28 Jan 2010
Application No: 08-6391 on 23 Jun 2008
Breeder: Jason Brown, Elkton; Cockcroft Dave, Granby; Jerome Lavalee, Granby, all United States of America
'Radtkopink' originated from a naturally occurring, spontaneous mutation of the variety 'Radtko'. The new variety was discovered in 2004 within a group of 500 three year old rooted cuttings of the variety 'Radtko' that were propagated at Granby, Conneticut, United States in 2001.
United States - Patent No: PP 18,507 on 19 Feb 2008
VIEW USPTO PATENTApplication No: 11/471,610 on 21 Jun 2006
Inventors: Cockcroft; David F. (Simsbury, CT), Lavallee; Jerome A. (Agawam, MA), Brown; Jason N. (Elkton, MD)
A single plant of the new variety was discovered at Granby, Conn., U.S.A. while growing among a group of 500 plants of the `Radtko` variety (U.S. Plant Pat. No. 16,202). The plant was approximately three years of age and have been asexually reproduced by the rooting of a cutting of the `Radtko` variety.... The description is based on the observation of two year-old specimens of the new variety during October while growing outdoors on their own roots near West Grove, Pa., U.S.A.