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Inventor
MATTHEWS JAMES C
US
2 patents
⚠️ This page may combine multiple inventors who share the name “MATTHEWS JAMES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CRAYOLA LLC
1 patent
US7329062B2
Feb 12, 2008
Retractable writing instrument
CRAYOLA LLC
28 citations
90
BINNEY & SMITH INC
1 patent
US6964534B2
Nov 15, 2005
Retractable writing instrument
BINNEY & SMITH INC
23 citations
90