21
Carl Scott Elofson: Color-tuned volumetric light using high quantum yield nanocrystals. Drummond & Duckworth, June 26, 2007: US07235792 (44 worldwide citation)

A light source of coaxially stacked volumetric light cells that can be used either in a lamp or a display. Each light cell is composed of high quantum yield nanocrystals in a silica aerogel matrix that is excited by a controlled ultraviolet light source. From these stacked cell assemblies visible li ...


22
David R Scott: Method for extending the useful life of a space satellite. Drummond & Duckworth, April 30, 1996: US05511748 (41 worldwide citation)

The life of a target satellite is modified, i.e., extended or terminated by docking an extension spacecraft with the target satellite to form a docked satellite-spacecraft combination. The extension spacecraft is docked with and mechanically connected to the target satellite and includes guidance, n ...


23
Lynne Willingham, Derek Sullivan: Backpack for displaying objects stored within. The Five of Us, Drummond & Duckworth, January 28, 2003: US06510974 (38 worldwide citation)

A backpack is provided including a substantially typical construction including a pack having a back panel, front panel and one or more side panels. The pack includes an interior storage compartment for storing objects. Furthermore, the backpack includes a pair of shoulder straps so as to enable one ...


24
Edward A Marue, Kenneth J Pereira: Telescoping mast with integral payload. Tri Ex Tower Corporation, Drummond & Duckworth, April 1, 1997: US05615855 (36 worldwide citation)

In an integrated telescoping mast-payload assembly, the payload forms the top telescoping section.


25
Michael Shipman, David G Duckworth: Illuminated keyboard. Drummond & Duckworth, February 6, 2007: US07172303 (35 worldwide citation)

A keyboard is provided having illuminating keys. The keyboard includes a light channeling membrane and key members constructed at least partially of translucent material so that light produced from a light source is channeled upwardly to the upper surfaces of the key members. The light source may in ...


26
Harold K Thomas: Data processing system including transaction authorization device. Drummond & Duckworth, May 16, 2000: US06064988 (35 worldwide citation)

A supersmart card system is provided for authorizing transactions between a transaction card user and a merchant. The supersmart card system includes a plurality of conventional transaction cards such as a debit cards, credit cards, or phone service cards, and a transaction authorization device. The ...


27
David R Scott: Apparatus and methods for in-space satellite operations. Drummond & Duckworth, November 26, 2002: US06484973 (33 worldwide citation)

Apparatus and methods for performing satellite proximity operations such as inspection, recovery and life extension of a target satellite through operation of a “Satellite Inspection Recovery and Extension” (“SIRE”) spacecraft which can be operated in the following modes (teleoperated, automatic, an ...


28
Paul T Schoch, Marvin G Schoch: Ergonomic apparatus for controlling video or computer equipment. Drummond & Duckworth, November 4, 1997: US05684512 (29 worldwide citation)

An apparatus is provided for ergonomically controlling video or computer functions or the like. A vertical control stick provides means for producing and transmitting signals to a computer. A first signal means is interconnected with the control stick such that movement of the stick forward from a n ...


29
David D Scott: Apparatus and methods for in-space satellite operations. Drummond & Duckworth, September 15, 1998: US05806802 (28 worldwide citation)

Apparatus and method for performing satellite proximity operations such as inspection recovery and life extension of a target satellite through operation of a "Satellite Inspection Recovery and Extension" (SIRE) spacecraft which can be operated in the following modes (teleoperated, automatic, and au ...


30
Robert Lee Searfoss III: Nightlight for phototherapy. Drummond & Duckworth, June 7, 2005: US06902296 (26 worldwide citation)

A nightlight is provided for providing therapeutic effects on the human body and mind including promoting relaxation, sleep and wakefulness. The nightlight includes a housing, a light source, a central processor, one or more controls, and a power supply. The light source produces at least three mode ...