Patents by Inventor John H. Darnell

John H. Darnell 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: 10157265
    Abstract: A dispensing device and a method of operating a dispensing device for use in studying a consumable unit used by a clinical study participant are provided. The device comprises a housing that includes a delivery aperture and a compartment configured to store an unconsumed consumable unit therein. The device further includes a dispensing mechanism located within the housing and configured to release the stored unconsumed consumable unit to the clinical study participant via the delivery aperture upon verifying the identity of the clinical study participant and a controller configured to interface with the dispensing mechanism and the user input device. A user input device is also included and is configured to receive input from the clinical study participant corresponding to identification information relating to the clinical study participant and is further configured to receive input from the clinical study participant in response to one or more questionnaires relating to consumption of the consumable unit.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: December 18, 2018
    Assignee: RAI STRATEGIC HOLDINGS, INC.
    Inventor: John H. Darnell
  • Patent number: 6837813
    Abstract: A throwable toy includes an open center polygon defining a closed ring having upper and lower surfaces including connected linear segments and a plurality of shortened, generally rounded, rearward-projecting members extending outwardly and downwardly from said ring along and aligned with the axes of said linear segments.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: January 4, 2005
    Inventor: John H. Darnell
  • Publication number: 20030092515
    Abstract: A throwable toy includes an open center polygon defining a closed ring having upper and lower surfaces including connected linear segments and a plurality of shortened, generally rounded, rearward-projecting members extending outwardly and downwardly from said ring along and aligned with the axes of said linear segments.
    Type: Application
    Filed: August 30, 2002
    Publication date: May 15, 2003
    Inventor: John H. Darnell
  • Patent number: 6443862
    Abstract: A throwable boomerang includes an open center polygon defining a closed ring having upper and lower surfaces including from three (3) to eight (8) connected linear segments and a plurality of tabular shortened, generally rounded, rearward-projecting members extending outwardly and downwardly from said ring each along and aligned with the axis of one of said linear segments, the peripheries of said tabular member being arcuate with each segment comprising an outwardly facing airfoil having a leading edge with a continuously varying angle of attack along the segment length, with the inner trailing edge of the airfoils of all of said segments conforming to a single plane, the leading airfoil edge of each of the segments being above the vertical midpoint of the segment proximate the extending tabular member and transitioning to being below said vertical midpoint at an end of the segment which is remote from the extending tabular member.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: September 3, 2002
    Inventor: John H. Darnell