Patents by Inventor Grant W. Cheney

Grant W. Cheney 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).

  • Method of preparing blown thermoplastic articles having multiaxial orientation
    Patent number: 4122138
    Abstract: A method for manufacturing blown articles is disclosed wherein the article is manufactured from a parison having a high degree of multi-axial orientation. The method permits molecular orientation within the parison to be superposed with orientation imparted during the blowing step, whereby a blown article of greatly improved properties is manufactured.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: October 24, 1978
    Assignee: The Dow Chemical Company
    Inventors: Kenneth J. Cleereman, Walter J. Schrenk, Grant W. Cheney