Category:20th-century American inventors
Pages in category "20th-century American inventors"
The following 200 pages are in this category, out of approximately 1,332 total. This list may not reflect recent changes.
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- Earle Haas
- Philip Haas (inventor)
- Dean Hachamovitch
- Andrew V. Haeff
- Vladimir Haensel
- Ken Hakuta
- Klaus Halbach
- Charles Martin Hall
- Frank Haven Hall
- Lloyd Hall
- Robert Taggart Hall
- Tracy Hall
- Hiram Halle
- Erle P. Halliburton
- William S. Halstead
- John Hays Hammond Jr.
- Laurens Hammond
- Elliot Handler
- Ruth Handler
- William Edward Hanford
- Clarence Hansell
- Sally Hansen
- Siegfried Hansen
- Raymond Alvah Hanson
- Scott Haraburda
- Carlyle Harmon
- Elise Harmon
- John Harper (Kentucky politician)
- Solomon Harper
- Daniel Harple
- Arlene Harris (inventor)
- Lou Harrison
- Marc Harrison
- Edward V. Hartford
- Ralph Hartley
- James Hartness
- Phill Hartsfield
- Eric Haseltine
- William E. Haskell
- Caryl Parker Haskins
- William Z. Hassid
- Milo Hastings
- Claud A. Hatcher
- Dick Haugland
- Lewis M. Haupt
- Howard Hawkins (businessman)
- A. W. Haydon
- Elwood Haynes
- Elizabeth Lee Hazen
- Howard Head
- Lucean Arthur Headen
- Ed Headrick
- Morrison Heady
- Charles Heidelberger
- Bob Heil
- Morton Heilig
- M. Stephen Heilman
- Arthur Heineman
- Rust Heinz
- Bud Held
- George Thiemeyer Hemmeter
- Clifford A. Henricksen
- Ada Henry Van Pelt
- Beulah Louise Henry
- Charles H. Henry
- Herbert Thacker Herr
- James Brown Herreshoff
- Clemens Herschel
- Ady Hershcovitch
- Andy Hertzfeld
- F. Benedict Herzog
- Orvan Hess
- Paul R. Heyl
- Robert O. Hickman
- James Hillier
- Andrew F. Hilyer
- Harry Hinde
- Edward N. Hines
- Robert Andrew Hingson
- Charlton Hinman
- Christopher Hipp
- Basil Hirschowitz
- George Schuyler Hodges
- Marcian Hoff
- Edward L. Hoffman
- Edward J. Hoffman
- James Hoffman
- Josef Hofmann
- Lester Hogan
- Duff Holbrook
- Herman Hollerith
- Kerrie Holley
- Richard Hollingshead
- John D. Hollingsworth
- Donald F. Holmes
- Mabel White Holmes
- Nick Holonyak
- Benjamin Holt
- Norman Holter
- David T. Hon
- Erna Schneider Hoover
- Grace Hopper
- Csaba Horváth (chemical engineer)
- William Hoskins (inventor)
- Ralf Hotchkiss
- Jimmy Hotz
- John Houghtaling
- Henry Alonzo House
- William F. House
- Ronald Howes
- Walter Howey
- Robert P. Hoyt
- Chung-Yun Hse
- Harvey Hubbell
- Steven T. Huff
- Howard Hughes
- Frances Hugle
- Albert W. Hull
- Robert Leo Hulseman
- Jerome Clarke Hunsaker
- Albert Cameron Hunt
- Charles Wallace Hunt
- James W. Hunt
- Lee Hunter (engineer)
- Matthew Hunter
- Rudolph M. Hunter
- Bobby Hupp
- George Samuel Hurst
- Gerald Hurst
- Abul Hussam
- Carleen Hutchins
- Hjalmar Hvam
- George Hyde (gun designer)
- Ida Henrietta Hyde
- James Franklin Hyde
- Lawrence A. Hyland
J
- David Schenk Jacobus
- Roy Jacuzzi
- Richard T. James
- Albert S. Janin
- Gail Jefferson
- Thomas B. Jeffery
- Charles Francis Jenkins
- Peter L. Jensen
- Eddy Jerman
- John O. Johnson
- Lonnie Johnson (inventor)
- Reynold B. Johnson
- Richard B. Johnson
- Robert Royce Johnson
- Steven M. Johnson
- Warren S. Johnson
- Arthur Jones (inventor)
- Byron Q. Jones
- Eldorado Jones
- Frederick McKinley Jones
- Assen Jordanoff
- Anatol Josepho
- Joseph Francis Joy
- Marjorie Joyner
- William V. Judson
- Martin F. Jue
- Percy Lavon Julian
- Loebe Julie
- John Calvin Jureit
K
- Ferdinand N. Kahler
- Julius Kahn (inventor)
- Dawon Kahng
- Maurice Kanbar
- William Rudolph Kanne
- Vladimir Karapetoff
- Morris S. Kharasch
- Theodore von Kármán
- John Karmazin Sr.
- Lewis Karrick
- Joseph Karwowski
- Robert Kearns
- D. B. Keele Jr.
- Leonarde Keeler
- Charles Rood Keeran
- Anna Keichline
- Oliver K. Kelley
- George Kellgren
- Edward W. Kellogg
- C. Edmund Kells
- Mary Kenner
- N. Paul Kenworthy
- Edward Keonjian
- David Morris Kern
- Charles F. Kettering
- Adolph Kiefer
- William W. Kincaid
- John Henry Kinealy
- Jim Kirby
- Steve Kirsch
- Frederick Kirsten