Patents by Inventor Wen-Yi Lin

Wen-Yi 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).

  • Supporting device for toilet tissue
    Patent number: 5215274
    Abstract: A device including two plates fixed to a wall, a member fixed to each of the plates, a roller rotatably supported between the members, a helical groove formed in one of the members and having a channel communicated between the end portions of the helical groove, an oblong hole formed in one end of the roller, a guide slidably engaged in the oblong hole and having one end slidably engaged in the helical groove, the guide being caused to move along the helical groove when the toilet tissue is pulled by a user and being movable back to the initial position via the channel.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: June 1, 1993
    Inventor: Wen-Yi Lin