March 04, 1992 • Page Image 15
…BLACK INVENTORS AND INVENTIONS c - 0, p he folio ing is a list of c ual inv ntions and paten numbers recorded in the United States Patent Office in Washington, D.C. by African-Americans. D L. U ul B. Downln J.L. La e K. head J. Ri , W.B. Purtu C.D. BaJll1i MA Cheny T. Grant W.H. Rich son H. u.lkner Edm d Berger Show John W.O. 0 vi L.C.DaUy , Benjamin Bannekar Lawrence P. Ray T.J. Marshall T.Elk1n J.W. SmJth Walter B....…

















































