Patents by Inventor Alex J. Check

Alex J. Check 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: 4345297
    Abstract: A device for discharging an electrostatic field in a dry cleaning washer positions a source of radioactive material from which electrons flow in a fluid path in said washer, a grounded receiving antenna is arranged in spaced relation to said radioactive material.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: August 17, 1982
    Inventor: Alex J. Check