Jeffrey Warren Lucas

US Patent:

7093840, Aug 22, 2006

Filed:

Mar 1, 2004

Appl. No.:

10/791264

Inventors:

Jeffrey T. Lucas - Southlake TX, US
Eric McClure - Trabuco Canyon CA, US

Assignee:

Isotec, Inc. - Garden Grove CA

International Classification:

B60N 2/28

US Classification:

280 30, 280 4728, 182 20, 182 82

Abstract:

A multi-purpose combined ladder/cart assembly capable of being converted into a plurality of ladder and cart configurations, including an extension ladder, a step ladder, a load-carrying cart, a pull cart, and a hand truck. The multi-purpose combined ladder/cart assembly includes a plurality of frame members that are pivotal with respect to each other and capable of being retained in variety of desired positions in order to easily configure the assembly in any of its various configurations. The travel characteristics and center of gravity of the cart configurations of the assembly are variably selectable, depending upon the load to be carried, by simply selecting various combinations of differently sized wheels to attach to the assembly.

US Patent:

7214119, May 8, 2007

Filed:

May 28, 2004

Appl. No.:

10/857327

Inventors:

Jeffrey T. Lucas - Southlake TX, US
Eric McClure - Trabuco Canyon CA, US

Assignee:

Isotech, Inc. - Garden Grove CA

International Classification:

A63H 17/00

US Classification:

446465, 446220, 446456, 446470

Abstract:

An inflatable remote control vehicle having a wheel-less inflatable vehicle body attached to a remotely controlled base unit and fully functional chassis having a plurality of visually functional wheels. The inflatable vehicle body includes a plurality of wheel well areas for accommodating the functional wheels of the base unit and allowing the functionality of wheels to be seen by a viewer. The remote control vehicle preferably includes a rigid support structure connected to a bottom surface of the inflatable vehicle body, where the rigid support structure is then attached to the remotely controlled base unit.

US Patent:

20180003326, Jan 4, 2018

Filed:

Jun 29, 2016

Appl. No.:

15/196300

Inventors:

- Bethesda MD, US
Ling Zhang Larson - Arlington TX, US
Jeffrey Allen Lucas - Arlington TX, US
Stephen R. Wood - Benbrook TX, US

International Classification:

F16L 55/00
B08B 13/00
F16M 13/02

Abstract:

A system includes a body having a front end and a back end, a channel within the body that is configured to hold at least a portion of a service unit, a guiderail extending along a portion of the channel and configured to couple with a pushrod, and an adapter configured to couple with a portion of the service unit and a portion of the body. The channel also includes a front opening positioned proximate to the front end of the body, wherein the front opening is configured to allow at least a portion of the service unit, or at least a portion of a connector, to pass through the front opening, and a back opening positioned proximate to the back end of the body, wherein the back opening is configured to allow at least a portion of the pushrod to pass through the back opening.