Patents by Inventor Melville Berwick

Melville Berwick 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: 6092405
    Abstract: The present invention relates to a keyring tool 1 suitable for storage on an expandable coil-type keyring 2 and disconnection therefrom which is used in connecting and disconnecting keys to and from the keyring 2. The keyring tool 1 comprises a bow portion 3 for connection of the tool 1 to the keyring 2 wherein the bow portion 3 has at least one circumferentially extending portion 5 having a generally wedge shaped-section extending from one side of the circumferentially extending portion 5 towards an opposite side thereof for insertion between one end 13, 19 of the coiled strip 14 of the keyring coil 2 and an axially adjacent part 15 of the coiled strip 14 for threading of the strip 14 through the bow portion 3 for connection or disconnection of the keyring tool 1 thereto or therefrom, respectively.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: July 25, 2000
    Inventor: Melville Berwick