Assignee
CONSTANTINE RICHARD STEVEN
US·3 granted patents·29 citations·filing 2011–2012
Top patents by PatentIndex Score
3 records- 0190US8689450B2Knife having a reversible carriageCONSTANTINE RICHARD STEVEN·Filed 2011·Granted Apr 8, 2014·24 cites·20 claims
- 0272US8726527B2Dual drive pencil sharpenerCONSTANTINE RICHARD STEVEN·Filed 2012·Granted May 20, 2014·3 cites·15 claims
- 0362US8677630B2Cutting implement with cartridgeCONSTANTINE RICHARD STEVEN·Filed 2011·Granted Mar 25, 2014·2 cites·17 claims
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