Patents by Inventor Romulo A. Figueroa

Romulo A. Figueroa 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: 4423863
    Abstract: A stationary bicycle characterized by a hand operated cranking mechanism for rotating the front wheel and a pedal operated cranking mechanism for rotating the rear wheel. Bearing against each wheel is a pressure roller whereby the drag on each wheel can be incrementally adjusted to suit the desire of the user, thereby assuring proper exercise of the leg and arm muscles.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: January 3, 1984
    Inventor: Romulo A. Figueroa