Collapsible Chair with Backrest Rod Anchor

US07140689

A collapsible chair having a backrest, at least one backrest support rod, and a backrest rod anchor coupling the backrest to the backrest support rod, wherein the backrest rod anchor comprises a rod end receiving portion coupled to a backrest attachment portion, the backrest support rod is at least partially enclosed by the rod end […]

Collapsible Rocking Chair

US07100975

Methods and apparatus are provided in which a collapsible rocking chair has legs that translate towards and away from each other to configure the chair between open and collapsed dispositions, and at least one leg that slidably articulates with a rocker. Preferred embodiments have four legs. The left back leg slidably articulates with a left […]

Electronic Educational Game

WO06049611 (1)

An electronic educational game (1) comprising a learning aid (10) that is adapted to receive and identify a lesson card (20), and to subsequently accept user input and to provide responses. The responses provided are at least partially determined by the identity of the lesson card. The identity is determined by using an optical code reader (200), that is part of […]

Advanced Cosmetic Color Analysis System and Methods Therefor

US07151851

An advanced cosmetic color analysis system) analyzes the color of a three dimensional object to produce a plurality of color values for distinct subsets of a portion of the object, and a cosmetic analyzer combines the color values to produce a cosmetic color determination that has relative weightings of multiple cosmetic colors. Contemplated systems are […]

Cathodic Protection Methods and Apparatus

US06224743

Apparatus, compositions and methods provide cathodic protection to a structure by placing an anode layer (10) directly between the structure (22) and its underlying foundation (30). Structures contemplated to be protected in this manner include especially very large structures such as above ground storage tanks. In one aspect of preferred embodiments, the anode layer (10) comprises sheets of at least 85% aluminum […]