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Paul,

Thanks again for all your input this past few months.  At this point I'd like to do a little more exhaustive research on Wankel patents to see what's been done and when... I'd rather not reinvent the wheel, if you know what I mean.  So I'm wondering if there's any sort of list out there of Wankel/rotary related patent numbers.

On March 5th, in reply to Frank's post (very helpful), you stated,
"BTW Frank has the world's largest collection of Wankel patents and
if you want to obtain one for reference use this web site.

http://www.pat2pdf.org/pat2pdf/foo.pl"

I'm not sure whether you meant that he holds numerous Wankel patents or that he has assembled a rather large list of Wankel related patent numbers.  If there is such a list or some such compilation, it would certainly help to avoid wading through all the material that comes up with a "rotary engine" term search in the patent database.

I've used the link you provided for the few patent numbers I do have and it has been very helpful.  But I'm not clear on how to access Wankel specific patents.

Any guidance you...or Frank...can provide would be greatly appreciated.

Thanks again,

Ethan Stinar


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