Patents by Inventor Donald D. Wik

Donald D. Wik 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).

  • Aquatic invertebrate collector
    Patent number: 5561939
    Abstract: A collector of aquatic invertebrates for laboratory study comprising a substantially invisible collector having a removable wide mouth entry portion reducing to a narrow neck inlet passage whereby the invertebrates are secure from escape and are readily removable.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: October 8, 1996
    Inventor: Donald D. Wik