Patents by Inventor Alvin J. Wagstaff

Alvin J. Wagstaff 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: 4479422
    Abstract: A base is provided including opposite ends and opposite side guide assemblies extending between the opposite ends. A pair of grill panels are provided and include first and second corresponding remote marginal portions and pivot structure is provided pivotally connecting the first marginal portions together for relative angular displacement of the grill panels. In addition, a first marginal portion of one of the grill panels includes follower structure slidably engaged with the opposite side guide assemblies of the base for sliding and pivotal movement relative thereto and the opposite side guide assemblies include elongated guide members extending generally normal thereto with which corresponding side portions of the second grill panel are slidably engaged.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: October 30, 1984
    Inventor: Alvin J. Wagstaff