Patents by Inventor John D. Hartman

John D. Hartman 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).

  • Accessory adapter for radio communication device
    Patent number: D436948
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: January 30, 2001
    Assignee: Motorola, Inc.
    Inventors: Kenneth W. Carlson, Jenifer A. Fahey, Mark A. Luzbetak, John D. Hartman
  • Sports racquet
    Patent number: D520581
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: May 9, 2006
    Assignee: Wilson Sporting Goods Co.
    Inventors: William D. Severa, Donald G. Loeffler, Ronald R. Rocchi, Joey Gyomay Nakayama, John D. Hartman
  • Ceiling exhaust fan
    Patent number: D553234
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: October 16, 2007
    Assignee: J. F. Meskill Enterprises, LLC
    Inventors: Walter Herbst, John D. Hartman
  • Ceiling exhaust fan
    Patent number: D553235
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: October 16, 2007
    Assignee: J. F. Meskill Enterprises, LLC
    Inventors: Walter Herbst, John D. Hartman
  • Ceiling exhaust fan
    Patent number: D553236
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: October 16, 2007
    Assignee: J. F. Meskill Enterprises, LLC
    Inventors: Walter Herbst, John D. Hartman
  • Ceiling exhaust fan
    Patent number: D553237
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: October 16, 2007
    Assignee: J. F. Meskill Enterprises, LLC
    Inventors: Walter Herbst, John D. Hartman
  • Earplug dispenser
    Patent number: D345663
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: April 5, 1994
    Assignee: Cabot Safety Corporation
    Inventors: John D. Hartman, Walter Herbst
  • Writing instrument
    Patent number: D358167
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: May 9, 1995
    Assignee: The Gillette Company
    Inventors: Walter B. Herbst, John D. Hartman, Mikael R. Backstrom
  • Fluid dispenser
    Patent number: D367004
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: February 13, 1996
    Assignee: The Gillette Company
    Inventors: Walter B. Herbst, John D. Hartman, Mikael R. Backstrom
  • Speakerphone accessory
    Patent number: D432528
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: October 24, 2000
    Assignee: Motorola, Inc.
    Inventors: John D. Hartman, James C. Hand, James Cleary