Patents by Inventor Bruce E. Schlagel

Bruce E. Schlagel 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).

  • Barbell system with improved locking feature
    Patent number: 5346449
    Abstract: A barbell system is provided with a pair of plunger pieces each having a shaft and an end plate and an elongated, cylindrical, hollow handle with a releasable coupling located on either end thereof to releasable grip the shaft of each of the plunger pieces after they are inserted into the handle so as to retain at least one weight between the handle and the end plate of each plunger piece.
    Type: Grant
    Filed: June 3, 1993
    Date of Patent: September 13, 1994
    Inventor: Bruce E. Schlagel