Assignee
BEROL CORP
US102 patents
Top patents by PatentIndex Score
US6681933B1Jan 27, 2004
Writing utensil case
BEROL CORP75 citations96
USD476364SJun 24, 2003
Writing instrument
BEROL CORP56 citations96
USD458640SJun 11, 2002
Wall file
BEROL CORP53 citations96
USD508948SAug 30, 2005
Marker
BEROL CORP26 citations93
USD477025SJul 8, 2003
Writing instrument
BEROL CORP31 citations93
USD472576SApr 1, 2003
Writing instrument
BEROL CORP27 citations93
USD469469SJan 28, 2003
Transfer tape dispenser
BEROL CORP18 citations93
USD330565SOct 27, 1992
Pen
BEROL CORP35 citations93
USD482070SNov 11, 2003
End plug for a writing instrument
BEROL CORP14 citations92
US6637774B2Oct 28, 2003
Clipboard
BEROL CORP47 citations92
USD478626SAug 19, 2003
Writing instrument
BEROL CORP32 citations92
USD478350SAug 12, 2003
Highlighter
BEROL CORP37 citations92
USD478351SAug 12, 2003
Board eraser
BEROL CORP20 citations92
US6599353B2Jul 29, 2003
Shear-thinning writing compositions, writing instruments, and methods
BEROL CORP24 citations92
USD477026SJul 8, 2003
Writing instrument
BEROL CORP17 citations92
USD476685SJul 1, 2003
Marker
BEROL CORP25 citations92
USD472922SApr 8, 2003
Writing instrument
BEROL CORP20 citations92
USD472575SApr 1, 2003
Marker pen
BEROL CORP19 citations92
USD472271SMar 25, 2003
Cap for a marker pen
BEROL CORP17 citations92
USD465519SNov 12, 2002
Writing instrument
BEROL CORP18 citations92
US6402411B2Jun 11, 2002
Fluid delivery system
BEROL CORP23 citations92
US6390704B1May 21, 2002
Writing implement
BEROL CORP26 citations92
USD446244SAug 7, 2001
Writing implement
BEROL CORP18 citations92
US6663704B2Dec 16, 2003
Pearlescent inks, writing instruments, and methods
BEROL CORP28 citations91
US6601631B1Aug 5, 2003
Dispenser for applying a material to a surface
BEROL CORP25 citations91
USD471586SMar 11, 2003
Marker
BEROL CORP35 citations91
USD471233SMar 4, 2003
Grip for a marker
BEROL CORP24 citations91
US6502905B2Jan 7, 2003
Floor mat and integrated foot rest
BEROL CORP20 citations91
US6092672AJul 25, 2000
Desktop modular assembly
BEROL CORP45 citations91
US6651827B1Nov 25, 2003
Brochure holder
BEROL CORP43 citations90
USD411040SJun 15, 1999
School supply box
BEROL CORP21 citations90
USD367674SMar 5, 1996
Cylindrical eraser
BEROL CORP19 citations89
USD366671SJan 30, 1996
Eraser having a sunburst
BEROL CORP30 citations89
USD366672SJan 30, 1996
Eraser having a swirl
BEROL CORP29 citations89
US6749676B2Jun 15, 2004
Erasable inks, writing instruments, and methods
BEROL CORP14 citations84
USD477362SJul 15, 2003
Marker
BEROL CORP16 citations84
USD472272SMar 25, 2003
Cap for a writing instrument
BEROL CORP14 citations84
US6568450B1May 27, 2003
Tape dispenser
BEROL CORP13 citations83
USD471587SMar 11, 2003
Highlighter
BEROL CORP13 citations80
US6499524B1Dec 31, 2002
Dispenser for applying a material to a surface
BEROL CORP17 citations80
USD447633SSep 11, 2001
School supply box
BEROL CORP14 citations80
USD352897SNov 29, 1994
School box
BEROL CORP19 citations80
USD481761SNov 4, 2003
Vertical file
BEROL CORP13 citations79
USD485312SJan 13, 2004
Literature container
BEROL CORP15 citations77
USD490109SMay 18, 2004
Marker
BEROL CORP7 citations74
USD489262SMay 4, 2004
Holder for a spray bottle with sponge
BEROL CORP7 citations74
USD480757SOct 14, 2003
End plug for a writing instrument
BEROL CORP7 citations74
USD477027SJul 8, 2003
Clip for a writing instrument
BEROL CORP11 citations74
USD476033SJun 17, 2003
Writing instrument
BEROL CORP11 citations74
USD471930SMar 18, 2003
Writing instrument
BEROL CORP11 citations74
Showing the top 50 of 102 patents by PatentIndex Score.