Patents by Inventor Stephen B. Lobrovich

Stephen B. Lobrovich 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).

  • Propeller cover
    Patent number: 7244153
    Abstract: An inexpensive easy to use and reusable propeller blade cover. The blade cover of the invention may be used on many kinds and sizes of propeller blades, but are particularly suited for use on boat propellers, and can used to prevent damage to property and protect individuals from injury due to unintended contact with an uncovered boat propeller. The propeller covers of the invention may also be used to display advertising.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: July 17, 2007
    Inventor: Stephen B. Lobrovich