Patents by Inventor Kenneth Weisberg

Kenneth Weisberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Gender-indicating colormetric test on pregnancy urine and test kit therefor
    Patent number: 4840914
    Abstract: A gender-indicating test of the unborn child is provided. It is a colorimetric test on the pregnancy urine performed on samples obtained after about the 20th week of the pregnancy. The gender-indicating composition for use in the test is a mixture of alkali hydroxide and metallic aluminum. The colored results of the exothermic reaction of the composition with the urine is evaluated--tan solutions indicate a female child and brown solutions indicate a male child. The invention includes the method, the compositions used in the method and a convenient kit containing the subdivided composition in test units for performing the gender-indicating test.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: June 20, 1989
    Inventor: Kenneth Weisberg