Patents by Inventor Adam Calvin Leffler

Adam Calvin Leffler 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).

  • Portion control mixing cup
    Patent number: 9974711
    Abstract: Elements of the present invention relate to a portion control cup with multiple chambers for storing, mixing and dispensing substances. Some elements relate to a lower chamber with a removable seal and seal removal tab that can be removed through a slot in an upper chamber wall. Some elements relate to nesting characteristics of the portion control cup.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: May 22, 2018
    Inventor: Adam Calvin Leffler
  • Portion Control Mixing Cup
    Publication number: 20160175196
    Abstract: Elements of the present invention relate to a portion control cup with multiple chambers for storing, mixing and dispensing substances. Some elements relate to a lower chamber with a removable seal and seal removal tab that can be removed through a slot in an upper chamber wall. Some elements relate to nesting characteristics of the portion control cup.
    Type: Application
    Filed: March 13, 2015
    Publication date: June 23, 2016
    Inventor: Adam Calvin Leffler