Patents by Inventor Jeffery Welsh

Jeffery Welsh 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).

  • Carbon monoxide detector
    Patent number: D472175
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: March 25, 2003
    Assignee: Universal Security Instruments, Inc
    Inventor: Jeffery Welsh