Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cordless, balanced window covering

Cordless, balanced window covering

US Patent 5531257 · Granted Jul 2, 1996

Estimated economic value: $26,112,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cordless balanced window covering2009
Bottom rail weight and balancing system2004
Cordless balanced window covering2003
Bottom rail weight and balancing system2002
Cordless, balanced window covering2002
Cordless balanced window covering2001
Cordless balanced window covering2001
Cordless, balanced window covering2000
Cordless, balanced venetian blind or shade with consistent variable force spring1996
Low profile headrail venetian blind1992
Cord lock for a venetian blind or a shade1991