Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Drafting board with replaceable surface layer

Drafting board with replaceable surface layer

US Patent 4716840 · Granted Jan 5, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Configurable dam gate hoist2023
Retractable arched window covering2012
Recoil auger with clutch bearing2009
Clamp for connecting modular furniture components1989
Movable table with stabilizing apparatus1989
Pivotal clamp for connecting modular furniture components1988
Cantilever arm assembly for modular furniture1987
Modular desk construction1986
Filter assembly1981
Inflatable-deflatable pad and air control system therefor1980