The way the patent laws work, if you own the patent, you don't have to liscense
it to ANYONE. The last I heard, you're required to sell one unit every 10
years or some such to keep it alive. I suspect they filed to keep the most
economical methods from their competition, thus protecting the revenue stream.
Lama
> From: "Danrich" <danrich@xxxxxxxxxxxxx>
> Hewlett-Packard last year filed patents for an ink cartridge-refilling
> machine, even though its disposable ink cartridge business ranks among
> its most lucrative.
> http://asia.cnet.com/newstech/personaltech/0,39001147,39155063,00.htm
> These guys are akin to Martha Stewart, they got there hands in
> everything.
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