Patents by Inventor Alvin T. Hammes

Alvin T. Hammes 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).

  • Patent number: 4191308
    Abstract: A tablet dispenser for fumigating agricultural commodities, such as grain, animal feed, and the like, comprises a container shaped to receive a plurality of pesticide tablets therein, and including a base with a dispenser aperture therethrough. A rotor is rotatively mounted in the container base, and includes an upper portion, a medial portion, and a lower portion. The medial portion of the rotor is spaced apart from the container sidewall, and forms an annularly shaped channel therebetween which is proportioned to receive therein a single file ring of the pesticide tablets, each oriented on a circumferential edge thereof. The lower portion of the rotor extends outwardly of the medial portion to form a base surface of the channel on which the tablets are supported, and includes a dispensing aperture therethrough positioned for selective alignment with the container base aperture.
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: March 4, 1980
    Assignee: Research Products Company
    Inventors: James R. Allen, Alvin T. Hammes