Ezra Cornell's invention

 

Ezra Cornell machine for laying pipes underground

Ezra Cornell, founder of Cornell University, U.S. Patent 3,456

"Machine for cutting trenches and laying pipes," 1844.

Selected Cornell Inventors

Wilson Greatbatch

Wilson Greatbatch, (Cornell 1950),  
US Patent 3,057,356, 1962
"Implantable Cardiac Pacemaker"

Photograph by Robert Lewis, Cornell Engineering Magazine, Fall 1996, p. 6