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There
is no one better or more honest in the business than the Greentree team,”
writes inventor/author
Richard C. Levy
in his
Complete
Idiot’s Guide
to Cashing In on Your Inventions.
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About Us
Greentree Information Services is a patent and trademark research
company based in the Washington D.C. area since 1992. We offer
confidential and timely patent and trademark research services.
Experienced company personnel perform all patent and trademark
research, on-site at the US Patent and Trademark search facilities
in Alexandria, Virginia.
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