Patents by Inventor Donald Zurwelle

Donald Zurwelle 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).

  • SURFACE MOUNTABLE ASSEMBLY FOR A LINE GENERATING DEVICE
    Publication number: 20070062054
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel, and a screw disposed on the housing and contracting the barrel for adjusting the pivotal position of the barrel.
    Type: Application
    Filed: July 12, 2006
    Publication date: March 22, 2007
    Inventors: Karim El-Katcha, William Reeve, Robert McCracken, Allen Brelsford, Donald Zurwelle, Fred Watts
  • Laser level
    Publication number: 20060123641
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel, and a screw disposed on the housing and contracting the barrel for adjusting the pivotal position of the barrel.
    Type: Application
    Filed: January 13, 2006
    Publication date: June 15, 2006
    Inventors: Karim El-Katcha, William Reeve, Robert McCracken, Allen Brelsford, Donald Zurwelle, Fred Watts
  • Laser level
    Publication number: 20050022401
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Application
    Filed: July 15, 2004
    Publication date: February 3, 2005
    Inventors: Karim El-Katcha, William Reeve, Robert McCracken, Allen Brelsford, Donald Zurwelle, Fred Watts