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1. mc808+Mj[view] [source] 2015-09-11 05:27:12
>>revise+(OP)
I'm still waiting for the patent to expire so I can try this knot: http://www.google.com/patents/US5997051

(I just noticed it says the fee has lapsed. Does that imply it's free to use?)

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2. yitche+Jk[view] [source] 2015-09-11 05:54:36
>>mc808+Mj
Why would anyone patent a shoe tying knot? a serious question.
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