James Sargent

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James Sargent
James Sargent.png
Born(1824-12-01)December 1, 1824
Chester, Vermont
DiedJanuary 12, 1910(1910-01-12) (aged 85)
Rochester, New York
Resting placeMount Hope Cemetery
OccupationLocksmith, businessman
Angelina Foster
(m. 1847)
Signature of James Sargent.png

James Sargent (1824–1910) was an American locksmith and businessman. He founded the Sargent and Greenleaf company.


Sargent was born in Chester, Vermont on December 1, 1824.[1] He married Angelina Foster in 1847; they had one daughter.[2]

In 1865, Sargent established the Sargent and Greenleaf company.[3]

Later in life, he founded the Sargent Automated Railway Signal Company, one of several predecessors of the General Railway Signal company.[4]

He died at his home in Rochester, New York on January 12, 1910, and was buried at Mount Hope Cemetery.[2]

Notable innovations[edit]

  • In 1857 Sargent had designed the "Sargent's Magnetic Bank Lock", said to be the first successful key changeable combination lock.


  1. ^ Rothschild, Alan; Rothschild, Ann (2015). Make: inventing a better mousetrap : 200 years of American history in the amazing world of patent models. Maker Media, Inc. pp. 49–51. ISBN 978-1457187148 – via Google Books.
  2. ^ a b "Ill Only Few Hours, James Sargent Dies" (PDF). Democrat and Chronicle. January 13, 1910.
  3. ^ "S&G | About". Sargent and Greenleaf. Retrieved October 12, 2018.
  4. ^ a b Shillling, Donovan (2015). Made in Rochester. Pancoast Publishing. pp. 220–221. ISBN 978-0983849667 – via Google Books.