Assignee

CHALLMAN ROBERT G

US·2 granted patents·9 citations·filing 2009–2012

Technology mixB43K2

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2 records

0184US8393814B2Retractable instrument having a two stage protraction/retraction sequenceCHALLMAN ROBERT G·Filed 2009·Granted Mar 12, 2013·9 cites·15 claims
0254US8568047B2Retractable instrument having a two stage protraction/retraction sequenceCHALLMAN ROBERT G·Filed 2012·Granted Oct 29, 2013·0 cites·20 claims

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