Patents by Inventor Hee M. Hahn

Hee M. Hahn 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: 4104896
    Abstract: A dial type combination lock having a plurality of individual locking units each of which consists of a locking means and a dial means. The locking means has a pair of discs, one of which is a leading disc in which are a plurality of the holes at locations coinciding with the numbers displayed on the number carrying portion of the dial, and the other of which is the locking disc having a locking bolt receiving notch therein and a pin that is to be fit into one of the holes corresponding a designated number. The locking disc of each locking unit is connected with the leading disc thereof by the pin on the locking disc engaging in the hole in the leading disc corresponding with the designated number for the respective locking member and connecting shafts connect all the locking means to the dial means, so that during the operation of the lock, the locking bolt receiving notches in each of the locking discs are individually set in the bolt receiving position.
    Type: Grant
    Filed: April 26, 1977
    Date of Patent: August 8, 1978
    Inventor: Hee M. Hahn