1
John W Falls, Garry L Rolen: Motorized chandelier lift system. Walker & McKenzie, April 14, 1992: US05105349 (29 worldwide citation)

A motorized apparatus to raise and lower a ceiling light fixture, such as a chandelier, to facilitate cleaning and bulb changing. A hoist mechanism, mounted above the ceiling between two joists, includes a drive motor with a drive shaft, and a take-up shaft coupled to the drive shaft, upon which is ...


2
John W Falls: Clamp device for orthopedic external fixator. Walker McKenzie & Walker PC, February 4, 2003: US06514254 (5 worldwide citation)

A clamp device for use with an external skeletal fixator for being coupled to a patient's limb, and strap structure having a first end for being coupled to a patient's extremity and having a second end. The clamp device includes an elongated clamp rod; a first connection structure for adju ...


3
John W Falls: Winch safety switch for a hoist. Aladdin Light Lift, Walker McKenzie & Walker P C, August 12, 2008: US07410150 (3 worldwide citation)

An improved hoist for raising and lowering a weighted object secured to a hoist cable, wherein the improvement comprises a safety switch in series with an up-down switch of the hoist. The safety switch has an actuating member with spaced-apart first and second portions on either side of the hoist ca ...


4
John W Falls: Automatic car waxer. Walker & McKenzie, December 31, 1991: US05076202 (3 worldwide citation)

An apparatus for waxing vehicles for use in conjunction with commercial "car wash" operations. Vehicles are transported by a chain driven conveyor mechanism through a wax application station, passed to a second conveyor mechanism for movement through a drying station, and on to a third conveyor mech ...