Philip B. Downing
Philip B. Downing (1857-1934)[2] was an American inventor from Newport, Rhode Island, best known for his patent on the modern day letter box.[3][4]
![](../I/Old_mail_box.jpg.webp)
letter box
Philip B. Downing | |
---|---|
Born | March 22, 1857 |
Died | 1934 Boston, Massachusetts |
Nationality | American |
Occupation | Inventor |
Known for | Patent on the modern day letter box |
References
- "PHILIP B. DOWNING DIES IN BOSTON: Native Newporter Was Many Years Employed in Boston Custom House". Newport (RI) Mercury. 8 June 1934. Retrieved 26 July 2020.
- Henry, Carma (26 October 2019). "Philip Bell Downing". Westside Gazette (Broward County Florida). Retrieved 26 July 2020.
- http://blackinventor.com/philip-downing/
- Walker, Eyvaine (2011). Keeping a Family Legacy Alive. Twins Publishing. p. 316.
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