Patents by Inventor Alexander W. Renkis

Alexander W. Renkis 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 suspension golf ball practice tee systems and methods
    Patent number: 9669274
    Abstract: The present invention employs air pressure to suspend golf balls practice tees. A supply of golf balls is provided by a weather-resistant funnel connected to a pipe leading underground towards the fan. A sensor is used to determine if a golf ball is currently suspended in air and when to dispense a new ball.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: June 6, 2017
    Inventor: Alexander W. Renkis