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2005-06-04 12:01 Ghakko 1024×963×8 (320460 bytes) Excerpt from [[United States|US]] [[Patent]] [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=995600.WKU.&OS=PN/995600&RS=PN/995600 995600] by Jonas E. Heyser, depicting a lockable male
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{{Information |Description={{en|Excerpt from USen:Patent [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=995600.WKU.&OS=PN/995600&RS=PN/995600 995600] by Jon