Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Board particularly for use by suspended ceilings

Board particularly for use by suspended ceilings

US Patent 4922677 · Granted May 8, 1990

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method in processing gypsum boards or tiles2003
Method and tool for punching plaster plates1990
Perforated sound absorbing panel1989
Reproduction camera1987
Method of controlling the contrast by reproduction such as screen reproduction1983