Patents by Inventor Eric M. Konvolinka

Eric M. Konvolinka 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: 7159852
    Abstract: A manual swivel winch of the present invention includes internal drum gearing. The winch has a pair of spaced side plates, a rotating drum supported between the side plates, an internal drum gear coaxially mounted with the rotating drum, and a pinion drive gear engaging and rotating the drum gear.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: January 9, 2007
    Assignee: W W Patterson Company
    Inventors: Justin E. Dow, Erik R. Arlet, David B. Grapes, Richard A. Topping, Jr., Eric M. Konvolinka