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Sender: Mark Twain Forum <[log in to unmask]>
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Date: Thu, 4 Jun 2009 16:33:56 -0500
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From: Cynthia Levinson <[log in to unmask]>
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Thank you, David. I have copies of his patents.

I'm also interested in the gadgets that (1) he was not able to get patents
for, such as the baby bed clamp and a collar he designed, and (2) other
people invented that he used, such as the telharmonium.