- Search The Registry
- Teacher’s Forum
- Youth Programs
- About Us
- Creating Support
- My Account
blueprint patent (copy)
On this date in 1890 John P. Parker, African American businessman, and abolitionist patented the Soil Pulverizer.
This agricultural invention was a great asset to expediting farm harvesting.
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