Patents by Inventor Wen C. Lo

Wen C. Lo 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: 5617785
    Abstract: An embossing machine includes a frame, a top magnet, die disk, and a bottom magnet. The top magnet has a top die cavity, a fixed hook, a handle and a bracket on the upper portion, and a bottom die cavity in the lower portion, wherein the top die cavity has a step circular surface which has a plurality of sliced screw holes formed in the top circumference and has a first elastic element disposed therein. The top magnet attracts a top die engaged with the top die cavity through a key and a key way formed thereof, wherein the top magnet has a bolt fixed therein and a second elastic element disposed inside. The die disk is engaged with the bolt on the top magnet, wherein the die disk has a gear fixed thereon and a plurality of sliced screw holes formed on the circumference for engaging with the top die cavity. The die disk further has an adjusting bolt which has a thorough opening therein to engage with the bolt on the top magnet, wherein the adjusting bolt has a bushing, a washer and a screw disposed at one end.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: April 8, 1997
    Inventor: Wen C. Lo