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Erna Hoover

Computerized Telephone Switching System

One of the most well-rounded American inventors since World War II is Erna Schneider Hoover.

Francis Hopkinson

The United States Flag

When the United States of America was born on July 4, 1776, it did not have an official national flag.

Grace Hopper

The Compiler

The achievements of Admiral Grace Murray Hopper, which include, most notably, the invention of the compiler, cemented h

Larry Hornbeck

Digital Micromirror Device

Larry Hornbeck spent nearly two decades developing a revolutionary technology that has, in recent years, begun to offer

Kristin Hrabar

Illuminated Nut Driver

When Kristin Ann Hrabar was just nine years old, she had a simple idea for a device that solved a common problem.

Brian Hubert

“Pick-and-place” Nano-Assembly Machine

Brian Hubert says he never goes to sleep without a pen and notebook by his nightstand so that he can record ideas for new

Walter Hunt

Safety Pin

Mechanic and independent inventor Walter Hunt secured a place in American history when he invented the useful, everyday

James Hyde

Silica

Chemist James Franklin Hyde, the “Father of Silicones,” is credited with launching the silicone industry in the 1930s afte

Mary Jacob

Brassiere

After decades of stuffing themselves into seemingly barbaric undergarments, mostly of a corset-like nature, women aroun

Clayton Jacobson

Personal Watercraft

A relatively recent but immensely popular addition to summertime leisure activities in the United States is the personal w

Robert Jarvik

Jarvik-7 Artificial Heart

Robert Koffler Jarvik, inventor of the first permanently-implantable artificial heart, was born in Michigan on May 11,

Allene Jeanes

Xanthan gum

Listed among the ingredients of countless foods, such as salad dressing, ice cream, canned soup, and condiments, is a m