U.S. Patent & Trademark Office (USPTO) The USPTO reviews and grants patents and trademarks to individuals
and companies creating and marketing hair removal products. Eventually,
I will do some extensive patent analysis on this site, but for
now I'll direct you to the best places for doing your own research.
The  USPTO website
has searchable databases of hair removal patents and trademarks:
Patent search
Trademark search
I also recommend the Delphion Intellectual Property Database as
a very useful resource, although they announced in April 2001
that many services that were formerly free will become available
for subscribers only.
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