Patents by Inventor Pi-Lien Lin

Pi-Lien Lin 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: 5916341
    Abstract: A combination screwdriver is composed of a handle and a variety of screwdriver sockets and screwdriver blades having different tips, such as a slotted tip, hexagonal tip, Phillips tip. The handle has a hexagonal shank engageable with the screwdriver sockets, screwdriver blades, and a top seat for keeping the screwdriver blades. The handle is provided with a side seat fastened therewith. The side seat is intended to keep the screwdriver blades and the screwdriver sockets. The side seat has a hook engageable with a worker's waist belt.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: June 29, 1999
    Inventor: Pi-Lien Lin