Patents by Inventor Poh-Weei Lirn

Poh-Weei Lirn 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: 5203572
    Abstract: A target is used to catch a first projectile having a suction cup on one end and a second projectile having VELCRO hook and loop fastening material provided thereon. The target includes a pan member, an elastic foam layer, an adhesion surface, and a flexible strap. The pan member confines a receiving space and has a closed side provided with a flat suction surface to which the suction cup of the first projectile releasably adheres, an opposite open side to access the receiving space, and a peripheral wall provided with a pair of oppositely disposed radial ears. The elastic foam layer is provided in the receiving space. The adhesion surface includes a textile sheet having a periphery sealed to the peripheral wall of the pan member so as to cover the open side of the pan member, and a hairy outer surface to which the Velcro hook and loop fastening material of the second projectile releasably adheres. The flexible strap has two ends which releasably engage the radial ears of the pan member.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: April 20, 1993
    Inventor: Poh-Weei Lirn