Patents by Inventor Peter A.-F. Lam

Peter A.-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).

  • Patent number: 5520311
    Abstract: An integrally formed plastic body configured to provide one or more structural members which can be readily assembled by an end user to form a garment hanger. The plastic body incorporates one or more structurally weakened regions which can be readily severed to create separate parts and/or a groove around which adjacent parts can be hinged to erect and collapse the hanger.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: May 28, 1996
    Inventor: Peter A.-F. Lam
  • Patent number: 5469132
    Abstract: Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (30A) therebetween to an external perturbation driven activate orientation (30B therebetween. In various embodiments, the members are respectively responsive to air movement and acceleration. In one embodiment, the elongate member carries a first electrical contact (21) to abut a second electrical contact (22) carried by the display member.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: November 21, 1995
    Inventor: Peter A.-F. Lam