Patents by Inventor Michael E. Knapp

Michael E. Knapp 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).

  • Decorative window assembly
    Patent number: 4780998
    Abstract: A semi-circular dual window panel unit is supported by a correspondingly-shaped frame assembly including wood jamb members and removable wood sash members which extend completely around the window panel unit and confine an edge portion of the unit. A one-piece sheet of plastics material is vacuum-formed into a semi-circular cap member which is bonded to the frame. The cap member has an outwardly projecting mounting flange and an inwardly projecting protector flange which is spaced in front of the window panel unit by spacer strips. The protector flange has an inner peripheral lip bonded to the edge portion of the window panel unit by a resilient sealant material.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: November 1, 1988
    Assignee: American Woodwork Specialty Co., Inc.
    Inventor: Michael E. Knapp
  • Decorative window assembly
    Patent number: 4693043
    Abstract: A semi-circular dual window panel unit is supported by a correspondingly-shaped frame assembly including wood jamb members and removable wood sash members which extend completely around the window panel unit and confine an edge portion of the unit. A one-piece sheet of plastics material is vacuum-formed into a semi-circular cap member which is bonded to the frame. The cap member has an outwardly projecting mounting flange and an inwardly projecting protector flange which is spaced in front of the window panel unit by spacer strips. The protector flange has an inner peripheral lip bonded to the edge portion of the window panel unit by a resilient sealant material.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: September 15, 1987
    Assignee: American Woodwork Specialty Co., Inc.
    Inventor: Michael E. Knapp
  • Blade for a louver or shutter
    Patent number: D479079
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: September 2, 2003
    Inventor: Michael E. Knapp
  • Window and louver frame cap
    Patent number: D482460
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: November 18, 2003
    Inventor: Michael E. Knapp
  • Window and louver frame cap
    Patent number: D486589
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: February 10, 2004
    Inventor: Michael E. Knapp
  • Window and louver frame cap
    Patent number: D486590
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: February 10, 2004
    Inventor: Michael E. Knapp