Patents by Inventor Sumner D. Bock

Sumner D. Bock 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).

  • Air cooling system
    Patent number: 4538426
    Abstract: An improved regenerative indirect evaporative and dry surface cooling system for conditioning the air in a structure.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: September 3, 1985
    Inventor: Sumner D. Bock