Inventor · Thornhill, MB, CA

Ludovic A. Perl

14Patents
9h-index
4Co-inventors
65Inventor score

Filing activity: Oct 20, 1976 → Mar 19, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
USD250372S Stand for potted plants General 34 Expired
USD249300S Table or similar article General 30 Expired
USD407583S Chair base General 23 Expired
USD312011S Chair base General 18 Expired
US5377943A Chair base Human Necessities 16 Expired
USD366377S Base for an office chair General 16 Expired
USD304399S Chair base with casters General 14 Expired
US4911269A Twin wheel caster with integral brake assembly Performing Operations; Transporting 12 Expired
USD414629S Chair base General 12 Expired
USD439450S Sleeve for a height adjustable arm rest unit General 8 Expired
USD435372S Sleeve for a height adjustable arm rest unit General 6 Expired
US4447096A Cabinet assembly system Emerging Cross-Sectional Technologies 6 Expired
USD438411S Sleeve for a height adjustable arm rest unit General 4 Expired
USD435373S Sleeve and corner cover for a height adjustable arm rest General 2 Expired

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