Railroad car-coupler patented.
blueprint (copy)
Date:
Tue, 1897-11-23
On this date in 1897, African-American inventor A.J. Beard patented the railroad car-coupler. The inventor's patent number is #594059.
Reference:
Created Equal: The Lives and Ideas of Black American Innovators
By James Michael Brodie
Copyright 1993, by Bill Adler Books, Inc.
William Morrow and Co. Inc., New York
ISBN 0-688-11536-5