Patents by Inventor W. Thomas Wallace

W. Thomas Wallace 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: 4163639
    Abstract: A snowball maker has opposed inner and outer cup-like shells which interfit to compact snow into a ball. The inner shell deforms, within outer shell, upon full insertion substantially to encircle the snow within the two shells. Upon separating the shells, the inner shell resiliently opens to its original shape for ready release of the compacted ball of snow.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: August 7, 1979
    Inventors: Robert G. Stern, W. Thomas Wallace
  • Patent number: D915585
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: April 6, 2021
    Inventor: W. Thomas Wallace