Patents by Inventor Grant David Purvis

Grant David Purvis 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: 6283930
    Abstract: The disclosed travel massage brush is an ultra-compact vibrating hair brush that comfortably fits an average woman's or man's hand in the hair brushing or massage modes. It is light in weight and portable permitting grooming and/or soothing scalp or body massage anywhere, at any time. Pivotally connected vibratory brush-head and handle subassemblies provide maximum space saving portability, making the travel massage brush ideal for taking along to the gym, to work, or while traveling. The vibratory brush-head subassembly includes a bristle carrier that is removably attached to a base member thereof and preferably slides on and off the base member to allow for convenient bristle cleaning and to access the battery compartment. Gentle ball-tipped bristles stimulate circulation to hair follicles.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: September 4, 2001
    Assignee: Headwaters Research & Development, Inc.
    Inventors: Grant David Purvis, David M. Raffo, Troy Gene Anderson, Rudy Anthony Vandenbelt
  • Patent number: 6071215
    Abstract: A multi-mode exercise machine has a re-configurable arm member operable in alternate upstanding and recumbent configurations that allows the machine to be used, when the re-configurable arm member is configured in its upright configuration, to provide a first mode of exercise where the user is supported in such an upright position as to be able to exercise at least his/her lower body, and that allows the machine to be used, when the re-configurable arm member is configured in its recumbent configuration, to provide a second mode of exercise, where the user is supported in such a recumbent position as to allow the user to exercise at least his/her upper body. In the presently preferred embodiment, the re-configurable arm member includes a pivotally mounted and self-locking arm member movable between a first, upright position and a second, recumbent position. In the presently preferred embodiment, the first and second exercise modes include cycling and rowing exercise modes.
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: June 6, 2000
    Inventors: David M. Raffo, Grant David Purvis
  • Patent number: D406650
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: March 9, 1999
    Assignee: Headwaters Research & Development, Inc.
    Inventors: Grant David Purvis, David M. Raffo, Troy Gene Anderson, Rudy Anthony Vandenbelt