Patents by Inventor Leonard A. Jacobsson

Leonard A. Jacobsson 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).

  • Architectural panel arching device
    Patent number: 6843092
    Abstract: Apparatus for forming an arch is architectural panels including a drive section and an arching section. Each of the drive section and arching section have at least one roller and cooperating follower with the rollers being adapted to engage the underside of the panel with a groove in the followers accepting side legs of the panel. In a preferred embodiment, two cooperating followers float along a common shaft in association with each roller.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: January 18, 2005
    Assignee: Crown-PN L.L.C.
    Inventors: Percy Greenberg, Leonard A. Jacobsson, Wayne M. Wagner
  • Architectural panel arching device
    Publication number: 20030136166
    Abstract: Apparatus for forming an arch is architectural panels including a drive section and an arching section. Each of the drive section and arching section have at least one roller and cooperating follower with the rollers being adapted to engage the underside of the panel with a groove in the followers accepting side legs of the panel. In a preferred embodiment, two cooperating followers float along a common shaft in association with each roller.
    Type: Application
    Filed: October 19, 2001
    Publication date: July 24, 2003
    Applicant: Crown-PN L.L.C.
    Inventors: Percy Greenberg, Leonard A. Jacobsson, Wayne M. Wagner