1
Kevin T Stone, Daniel E Williamson, Jane A Sheetz: Surgical reamer. Harness Dickey & Pierce, June 18, 1996: US05527316 (130 worldwide citation)

A surgical reamer is used in conjunction with a femoral neck cutting guide to enlarge the intramedullary canal of a resected host femur to expose hard cortical bone. The reamer has a longitudinally fluted cutting head that is flexible and able to bend relative to its longitudinal axis whereby to con ...


2
Daniel E Williamson, Connie P Marchek, Lance Dean Perry: Apparatus and method for shoulder arthroplasty. Biomet, Harness Dickey & Pierce, September 1, 1998: US05800551 (99 worldwide citation)

A glenoid component for use in shoulder arthroplasty which is adapted to be implanted into a scapula and engaged by a head of a humeral component. The glenoid component includes a body having a first articulating surface and second textured medial surface opposite to the first articulating surface. ...


3
John Lawrence Staylor, Sergio Landau, Daniel E Williamson: Jet injector apparatus and method. Bioject, Kolisch Hartwell P C, July 1, 2003: US06585685 (96 worldwide citation)

A gas-powered, durable, needle-free hypodermic jet injection device includes a hand-held injector which carries a disposable injection cartridge with a volume of liquid medication to be injected in the form of a high velocity jet capable of penetrating the skin without the use of a hypodermic needle ...


4
Daniel E Williamson, Jane Sheetz, Richard Craig Blaschke: Apparatus and method for plugging holes in an acetabular shell component. Biomet, Harness Dickey & Pierce, July 20, 1999: US05925077 (43 worldwide citation)

This invention relates to an apparatus and method for plugging holes in an acetabular shell component. The apparatus includes an acetabular shell component having an inner concave surface and an outer convex surface with at least a first selectively pluggable hole passing therethrough. The first sel ...


5
Sergio Landau, Daniel E Williamson: High workload needle-free injection system. Bioject, Kolisch Hartwell P C, January 2, 2007: US07156823 (41 worldwide citation)

A needle-free injection device is described. The injection device typically includes a system for providing directed and pre-selected pressure and a nozzle with an orifice for defining a stream of fluid that is directed toward the skin of a patient against which a front end of the nozzle is position ...


6
Daniel E Williamson, Ryan R Beylund: Triggering mechanism for needle-free injector. Bioject, Kolisch Hartwell P C, June 16, 2009: US07547293 (23 worldwide citation)

Needle-free hypodermic jet injection devices having an actuation system to effect an injection from a drug delivery system. The actuation system includes an injection force assembly adapted to transmit a driving force to the drug delivery system. The actuation system further includes a trigger assem ...


7
David M Counts, Daniel E Williamson: Molded, fiber-reinforced, tubular wheelchair frame assembly and method. Quickie Designs, Flehr Hohbach Test Albritton & Herbert, January 17, 1995: US05382036 (19 worldwide citation)

A wheelchair frame assembly and method including a plurality of hollow frame members (22-26, 28, 29, 31) connected together at joints and having a configuration suitable for use as a wheelchair frame (21). Selected ones of the frame members (23, 24) are formed with bracket mounting sites designed to ...


8
Daniel E Williamson, Ryan R Beylund: Triggering mechanism for a needle-free injector. Bioject, Schwabe Williamson & Wyatt P C, January 31, 2012: US08105272 (18 worldwide citation)

Needle-free hypodermic jet injection devices having an actuation system to effect an injection from a drug delivery system. The actuation system includes an injection force assembly adapted to transmit a driving force to the drug delivery system. The actuation system further includes a trigger assem ...


9
Daniel E Williamson: Vertical folding wheelchair frame. Quickie Designs, Flehr Hohbach Test Albritton & Herbert, January 14, 1997: US05593173 (18 worldwide citation)

A vertical foldable wheelchair (10) having a pair of side frame assemblies (11, 11') each including frame members coupled together for selective movement of the side frame assemblies (11, 11') between a vertically extended deployed condition and a relatively vertically compact collapsed condition. T ...


10
Daniel E Williamson, Gordon Stout: Single-post, height-adjustable and removable armrest apparatus for a wheelchair. Quickie Designs, Flehr Hohbach Test Albritton & Herbert, July 5, 1994: US05326154 (15 worldwide citation)

A single-post, height-adjustable and removable armrest apparatus (30) for a wheelchair having wheelchair frame (21). The armrest apparatus includes a base (31) formed for mounting to the wheelchair frame and an arm support assembly (32) having a height-adjustable armrest post (33). Interdisposed bet ...