Patents by Inventor Clark E. Jenson

Clark E. Jenson 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).

  • Tree medication capsule
    Patent number: 4308689
    Abstract: A tree medication capsule is disclosed as including a vial having a medication sealed therein by means of an end cap; the vial, medication and end cap constitute a self-contained unit which is inserted into a predrilled hole in a tree. The vial is made of frangible material so that upon breaking, as by a mallet tap on the end cap, the medication is free to escape into the tree.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: January 5, 1982
    Inventors: Clark E. Jenson, Warren D. Wolfe