Question on Diffie-Hellman patent

Sandy Sandfort sandfort at crl.com
Mon Jan 20 13:56:56 PST 1997


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                          SANDY SANDFORT
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C'punks,

On Mon, 20 Jan 1997, Andrew Loewenstern wrote:

> Tim Dierks writes:
> > Here's a summary of some relevant crypto patents:
> >
> > Name             Number     Filed          Issued          Expires
> >
> > Diffie-Hellman   4,200,770  Sept. 6, 1977  Apr. 29, 1980   Sept. 6, 1997
> > Hellman-Merkle   4,218,582  Oct. 6, 1977   Aug. 19, 1980   Oct. 6, 1997
> > RSA              4,405,829  Dec. 14, 1977  Sept. 20, 1983  Sept. 20, 2000
> 
> So who's planning on throwing a big party on Sept. 6th?  Will Jim Bizos be  
> celebrating?  :-)

I'll call dibs on that.


 S a n d y

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