Sewell D. Horad · Orville

Main Entry: Sewell D. Horad
Patent Title: Adjustable Valve for Controlling the Amount of Water Refilling a Toilet Bowl after Flushing
Family Name: Horad
Given Name: Sewell
Middle Name: D.
Patent Date: February 10, 1998
Patent Number: 5,715,860
Location: MD

Item sets: INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008