Patents by Inventor Randolph M. Nestler

Randolph M. Nestler 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).

  • Expansion joint
    Patent number: 5042211
    Abstract: An expansion joint for forming an adjacent seal between concrete slabs includes a foot for holding the joint in place during pouring of one slab and resilient longitudinal reinforcing elements for maintaining contact between the joint and the ends of the slabs during thermal expansion and retraction of the slabs.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: August 27, 1991
    Inventor: Randolph M. Nestler