Patents by Inventor Calzolari Isella

Calzolari Isella 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: 5275264
    Abstract: A shock absorber for cycles which is adapted to be coupled to the fork of a cycle frame and is provided with an oil circulation system which is controlled by the driver through a lever which controls a stabilizing spring controlling the oil flow from one cylinder to another cylinder of a shock absorber. The invention includes a pair of telescoping cylinders with oil flow from one chamber into the other being controlled to effect delay in the movement to absorb road shocks due to a change in the road.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: January 4, 1994
    Inventor: Calzolari Isella