Patents by Inventor Robert J. Hail

Robert J. Hail 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).

  • Modular tool having interchangeable handle and magazine units
    Patent number: 4688710
    Abstract: A modular tool functions to drive nails or staples. The tool uses a common air motor and housing and has interchangeable magazines and handle assemblies for nails and staples, respectively. Improvements in the air motor cylinder sleeve, the firing valve, the remote valve, the trigger, the stapler follower motor and magazine, the drive station access door and latch for both stapler and nailer, the nailer magazine and follower, and other features are included.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: August 25, 1987
    Assignee: Senco Products, Inc.
    Inventors: Donald J. Massari, Jr., Robert J. Hail