Patents by Inventor Roger F. Kleinschmidt

Roger F. Kleinschmidt 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).

  • Transparent polyamide armor
    Patent number: 4028476
    Abstract: A lightweight, transparent armor shield formed from a transparent, polymeric material formed by the polymerization ofA. at least one compound having the general formula ##STR1## wherein each R is individually selected from the group consisting of --H and --CH.sub.3 ; andB. at least one polycarboxylic acid having from 6 to 26 carbon atoms.
    Type: Grant
    Filed: October 22, 1975
    Date of Patent: June 7, 1977
    Assignee: Phillips Petroleum Company
    Inventors: Roger F. Kleinschmidt, Robert W. Campbell