John Elmore Winbourne DuBois (1841-1910)
(c)1999 Elizabeth DuBois. All rights reserved.
Page Four
Jack DuBois was himself an inventor, and held a patent for a medical device called The Electropoise. Although a device by the same name peddled by another man has been given as an example of "quackery," Jack's invention seems to have been a forerunner of very modern medical technology.