Patents by Inventor Timothy M. Kellis

Timothy M. Kellis 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).

  • Fabrication of mercury switches
    Patent number: 4795659
    Abstract: Disclosed is a method of fabricating mercury switches. The switches are actived by loading a batch into a common housing of a fixture. The fixture is then rotated in a furnace at a slow speed to prevent breakage. The fixture may include a mesh cage housing to allow rapid heating and cooling.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: January 3, 1989
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventor: Timothy M. Kellis