The Alphonzo B. Bowers Papers, (SAFR 22225, HDC 1618) consists of correspondence, drawings, patent bulletins, court proceedings
and images regarding the inventor, Alphonzo Benjamin Bowers (1830-circa 1926) and the development of the hydraulic dredge
and system and infringement lawsuits. Inclusive dates are 1657-1925 and bulk dates are 1863-1925. The collection has been
processed to the file unit level and is open for use with no restrictions.
Alphonzo B. Bowers, Alphonzo Benjamin Hay-Thompson Bowers or A. B. Bowers, was the inventor and patentee of the hydraulic
dredger and the hydraulic system. He was born September 25, 1830, in West Baldwin, Maine. He was the son of Sarah (Hay) Bowers
and Wilder Bowers, both of Maine. He moved to San Francisco is 1867. The 1910 United States Federal Census has Bowers recorded
as living in New York City at the age of 79 and the 1920 U.S. Census has him listed as living in Lynn, Massachusetts at the
age of 89. Bowers' documents his age as 96 in his autobiography. Information posted on Bowers.com states he passed away at
the age of 95.
Some material may be copyrighted or restricted. It is the researcher's obligation to determine and satisfy copyright or other
case restrictions when publishing or otherwise distributing materials found in the collections.