Location of original: Offices of Beem Patent Law Firm, Chicago, IL

Key Signers

President: James Monroe
Secretary of State: John Quincy Adams
Attorney General: William Wirt

Patent Information

Date signed: July 31, 1822
Inventor: Enos Baldwin
Invention Title: Cast Iron Truss Shears

This patent is signed by James Monroe as President and John Quincy Adams as Secretary of State. In this patent, only a portion of the year is preprinted (“eighteen hundred and ___”). For the year of independence, it is preprinted as “forty ____”.

Patent Transcript

The United States of America,


Whereas Enos Baldwin a Citizen of the United States, hath alleged that he has invented a new and useful improvement

in the Machine for cutting Bars, Rods, or Plates of Irons, Steel, or any other metallic Substance; called “The cast Iron Truss Shears”

which improvement he states has not been known or used before his application; hath made oath that he does verily believe that he is the true inventor or discoverer of the said improvement; hath paid into the treasury of the United States the sum of thirty dollars, delivered a receipt for the same, and presented a petition to the Secretary of State, signifying a desire of obtaining an exclusive property in the said improvement, and praying that a patent may be granted for that purpose: These are therefore to grant, according to law, to the said Enos Baldwin his heirs, administrators or assigns, for the term of fourteen years, from the thirty first day of July one thousand eight hundred and twenty two the full and exclusive right and liberty of making, constructing, using and vending to others to be used, the said improvement; a description whereof is given in the words of the said Enos Baldwin himself, in the schedule hereto annexed, and is made a part of these presents.

In Testimony whereof, I have caused these Letters to be made Patent, and the Seal of the United States to be hereunto affixed.

GIVEN under my hand, at the City of Washington, this thirty first day of July in the year of our Lord one thousand eight hundred and twenty two and of the independence of the United States of America the forty seventh.

James Monroe


John Quincy Adams  Secretary of State.

City of Washington, TO WIT:

I DO HEREBY CERTIFY, That the foregoing Letters Patent were delivered to me on the thirty first day of July in the year of our Lord one thousand eight hundred and twenty two to be examined; that I have examined the same, and find them conformable to law: and I do hereby return the same to the Secretary of State, within fifteen days from the date aforesaid, to wit; on this thirty first day of July in the year aforesaid.

William Wirt Attorney General of the United States.

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