Patents by Inventor Peter K. F. Lam

Peter K. F. Lam 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).

  • Directional vent register
    Patent number: 5733191
    Abstract: A directional vent register having a primary grill in a generally conventional position in a top plate which pivots to expose and open a secondary grill which directs the air in a forward direction.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: March 31, 1998
    Inventors: Peter K. F. Lam, Nigel B. Chivers
  • Directional vent register
    Patent number: 5569077
    Abstract: A directional vent register having a primary grill in a generally conventional position in a top plate which pivots to expose and open a secondary grill which directs the air in a forward direction.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: October 29, 1996
    Inventors: Peter K. F. Lam, Nigel B. Chivers