Whereas I, Richard Doe, of Philadelphia, County of Philadelphia, and State of Pennsylvania, have invented certain new and useful improvements in[p. 23] Telegraph Keys, for which I have obtained Letters Patent of the United States, bearing date January 1, 1901, and number 000,000, and whereas John Roe, of Camden, County of Camden, and State of New Jersey, is desirous of obtaining an interest in the net profits arising from the sale or working of the said invention covered by the said Letters Patent.

Now, therefore, this indenture witnesseth, that for and in consideration of one dollar by each of the parties hereto paid to the other, the receipt of which is hereby acknowledged, it is stipulated and agreed as follows:

First, That the said John Roe shall pay all moneys necessary to the construction of a suitable model to represent the said invention; that he shall pay all necessary expense in advertising and bringing said invention before interested parties (and such other clauses as may be deemed necessary and agreed upon, such as the expense of constructing a working model, or carrying out a process, etc.); that he shall make diligent effort to promote the said invention, its manufacture, and sale.

Second, That the said Richard Doe, sole owner of said invention and Letters Patent, in consideration of the payment of the moneys above mentioned, agrees to pay the said John Roe twenty-five per cent. (or other amount agreed upon) of[p. 24] all the net receipts in any manner arising from the sale or working of the said Letters Patent, during the term for which said patent is granted.

Witness our hands and seals this tenth day of January, A.D. 1901.

Richard Doe,
John Roe.

In the presence of:

John Smith,

Thos. Jones.

Perfecting Inventions.