Patents by Inventor Dave Ehnot

Dave Ehnot 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: 11232697
    Abstract: An apparatus attached or integrated into a cellular phone that will alert the phone user to objects generally in front of the user that are within a preselected distance. The invention can also include additional features such as an auxiliary power supply such as a battery or energy harvesting device, or a protective cover to prevent damage to the phone.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: January 25, 2022
    Inventor: Dave Ehnot