patent of the day

Dave Howe DaveHowe at gmx.co.uk
Wed Jan 23 15:23:59 EST 2008


Perry E. Metzger wrote:
> http://www.google.com/patents?vid=USPAT6993661
> 
> Hat tip to a party who prefers to remain anonymous who sent me the
> patent number.
> 
Interesting. he patented E4M, then two years old or so...

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