Inventor · Grandville, MI, US

Brian H. Root

9Patents
8h-index
21Co-inventors
65Inventor score

Filing activity: Feb 17, 1995 → Jun 4, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5630647A Tension adjustment mechanism for chairs Emerging Cross-Sectional Technologies 98 Expired
US5782536A Modular chair construction and method of assembly Emerging Cross-Sectional Technologies 71 Expired
US5873634A Modular chair construction and method of assembly Emerging Cross-Sectional Technologies 50 Expired
US5979988A Modular chair construction and method of assembly Emerging Cross-Sectional Technologies 26 Expired
US5630649A Modular chair construction and method of assembly Emerging Cross-Sectional Technologies 21 Expired
US7841664B2 Chair with control system Human Necessities 18 Active
US5906343A Chair base Human Necessities 14 Expired
US5964436A Chair base Human Necessities 11 Expired
US5979845A Hub tube/washer assembly Human Necessities 7 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.