Patents by Inventor Ronald L. Muller

Ronald L. Muller 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).

  • Nail treatment implement
    Patent number: D253675
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: December 11, 1979
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller
  • Hair dryer
    Patent number: D254690
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: April 8, 1980
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller
  • Juicer
    Patent number: D254702
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: April 15, 1980
    Assignee: North American Philips Corporation
    Inventors: Masao Tsuji, Ronald L. Muller
  • Hair dryer
    Patent number: D257067
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: September 23, 1980
    Assignee: North American Philips Corporation
    Inventor: Ronald L. Muller
  • Curling iron
    Patent number: D260692
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: September 8, 1981
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller
  • Room air cleaner
    Patent number: D266585
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: October 19, 1982
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller
  • Room air cleaner
    Patent number: D266586
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: October 19, 1982
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller
  • Filter cartridge
    Patent number: D269294
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: June 7, 1983
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Ronald L. Muller