Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sidewall extension for drain channel system and method for extending the continuous slope of a drainage channel system

Sidewall extension for drain channel system and method for extending the continuous slope of a drainage channel system

US Patent 4640643 · Granted Feb 3, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compact ironing station2021
Method of fabricating a longitudinal frame member of a trench-forming assembly2010
Assembly and method of forming a trench of a predetermined shape2007
Mounting bracket assembly for connecting frame members of a trench-forming assem2005
Drainage channel2003
Three-way junction box for recreational equipment1998
Dual containment channel for fluids1988
Drainage channel with means for maintaining proper slope during installation1985