Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Contrast enhancement filter

Contrast enhancement filter

US Patent 4747674 · Granted May 31, 1988

Estimated economic value: $21,460,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for an extended range ethernet link discovery signaling2016
Method and system for an extended range ethernet link discovery signaling2014
Remote control fluid regulation system2013
Method and system for an extended range ethernet line code2013
Method and system for an extended range Ethernet line code using 4B/3B mapping2010
Remote control fluid regulation system2010
Remote control gas regulation system2009
Apparatus for performing diagnostic testing2003
Diagnostic assay system and method2001
Device and kit1999
Filter assembly1997
Film-sheet assemblage for peel-apart self-developing film1994