Patents by Inventor Patrick L. Johnson

Patrick L. Johnson 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).

  • HANDHELD MEDICAL DEVICE
    Publication number: 20140288536
    Abstract: A handheld medical device comprises an internal flow passage that is in axial alignment with an output drive shaft. The drive shaft is powered by a motor assembly that is offset from the internal flow passage and the output drive shaft. The drive shaft and the motor assembly can be connected by a gear train. A collet mechanism can be used to secure a surgical implement to the handheld medical device. A first button assembly and a second button assembly can be positioned on diametrically opposed portions of the handheld medical device.
    Type: Application
    Filed: May 30, 2014
    Publication date: September 25, 2014
    Applicant: Pro-Dex, Inc.
    Inventors: Richard T. Le, Daniel M. Santos, Patrick L. Johnson
  • Handheld medical device
    Patent number: 8747392
    Abstract: A handheld medical device comprises an internal flow passage that is in axial alignment with an output drive shaft. The drive shaft is powered by a motor assembly that is offset from the internal flow passage and the output drive shaft. The drive shaft and the motor assembly can be connected by a gear train. A collet mechanism can be used to secure a surgical implement to the handheld medical device. A first button assembly and a second button assembly can be positioned on diametrically opposed portions of the handheld medical device.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: June 10, 2014
    Assignee: Pro-Dex, Inc.
    Inventors: Richard T. Le, Daniel M. Santos, Patrick L. Johnson
  • Dental handpiece with removable apex finding electrode
    Patent number: 7476101
    Abstract: A dental handpiece is provided with a collar that moves along an outer surface of the handpiece. A contact is secured to the collar. The collar interfaces with an electrical circuit that extends within the dental handpiece. The contact is removable from the collar and the contact defines an electrical connection between a cutting tool used with the dental handpiece and the electrical circuit that extends within the dental handpiece.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: January 13, 2009
    Assignee: Pro-Dex, Inc.
    Inventors: Roger W. McPherson, Richard Tuan Le, Patrick L. Johnson
  • HANDHELD MEDICAL DEVICE
    Publication number: 20080287925
    Abstract: A handheld medical device comprises an internal flow passage that is in axial alignment with an output drive shaft. The drive shaft is powered by a motor assembly that is offset from the internal flow passage and the output drive shaft. The drive shaft and the motor assembly can be connected by a gear train. A collet mechanism can be used to secure a surgical implement to the handheld medical device. A first button assembly and a second button assembly can be positioned on diametrically opposed portions of the handheld medical device.
    Type: Application
    Filed: May 16, 2008
    Publication date: November 20, 2008
    Applicant: PRO-DEX, INC.
    Inventors: Richard T. Le, Daniel M. Santos, Patrick L. Johnson