Patents by Inventor Joseph J. Zenkus

Joseph J. Zenkus 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).

  • Wheeled cart
    Patent number: D592374
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: May 12, 2009
    Assignee: Schumacher Electric Corporation
    Inventors: Joseph J. Zenkus, Mark Kurth
  • Jump starter
    Patent number: D624496
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: September 28, 2010
    Assignee: Schumacher Electric Corporation
    Inventors: Joseph J. Zenkus, Patrick J. Clarke
  • Battery charger
    Patent number: D625255
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 12, 2010
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Battery clamp
    Patent number: D625265
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 12, 2010
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisband, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Power inverter
    Patent number: D627719
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: November 23, 2010
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Power inverter
    Patent number: D627720
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: November 23, 2010
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Battery charger
    Patent number: D635089
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: March 29, 2011
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Battery charger
    Patent number: D635090
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: March 29, 2011
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Battery charger
    Patent number: D653203
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: January 31, 2012
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara M. DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Jump starter
    Patent number: D653612
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: February 7, 2012
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara Margaret DuMelle, Christopher Michael Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Jump starter
    Patent number: D654865
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: February 28, 2012
    Assignee: Schumacher Electric Corporation
    Inventors: Barbara M. DuMelle, Christopher M. Kubik, Patrick J. Clarke, Samuel Weisbard, Joseph J. Zenkus, Mark Kurth, Timothy Payne, Adam Callif
  • Wheeled cart
    Patent number: D756587
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 17, 2016
    Assignee: Schumacher Electric Corporation
    Inventors: Joseph J. Zenkus, Mark Kurth