Below is a partial list of inventors and companies for whom they worked along with the patent book(s) in which their patent(s) appear.


Anderson, Adolph

Baker, Charles E.

Bendix, Victor H.

Breed, George W.

Brown, W.E.

Cobb, Lyman H.

Constantine, Arthur

Copeland, James S.

Crocker, Al


Curtiss, Glenn H.

Daimler, Gottlieb

DeLong, Everett M.


Ellett, F.S.


Etwell, F.A.

Feilbach, Arthur O.

Franklin, Charles B.

Fowler, L.E.

Gustafson, Carl J.


Gustafson, Charles J.

Hafelfinger, E.L.

Harley, W.J.

Harley, William S.


Hedstrom, Carl Oscar

Henderson, William G.


Henderson, Tom

Hoffman, Earl E.

Holley, G.M.

Hornecker, G.M.

Johnson, Wilfred G.

Keating, Robert M.

Kitlitschko, F.

Lemon, Arthur



Levedahl, Axel

Leitenberger, F.W.

Mack, Perry E.


Madden, Henry E.

Marks, Roy Clifton

Meiser, George H.

Merkel, Joseph F.


Metz, E.E.

Michaelson, Joe

Millet, Felix Theodore

Neracher, Carl A.

Ottaway, William

Otto, Nicholaus


Pagé, V.W.

Pennington, Edward J.

Potdevin, Adolph

Ricardo, Harry

Schaeffer, William G.

Schickel, Norbert

Schrack, William

Schwinn, Ignaz



Spacke, Fred W.

Spexarth, C.L.

Szabo, L.

Strand, Andrew

Toepel, Michael E.

Widmayer, F.B.

Ziska, A.

Aurora, Indian

New Britain Machine Co.

Bendix Tool & Gear

Detroit Motor Cycle Manufacturing Co.

Indian

Iver Johnson

H-D until 1928; Excelsior-Henderson in 1928

Pope Manufacturing Co.

Worked for Aurora on the Thor motorcycle; Indian;
Started Crocker Motorcycles around 1930

G. H. Curtiss Manufacturing Co.

Early pioneer of the internal combustion engine.

New Britain Machine Co.; Henderson;
Excelsior; Ace

Eclipse


Sold rights to patent to Excelsior

Feilbach Motor Co.

Indian

Cleveland Motor Co.

Indian


Reading Standard

Royal Motor Works

Harley-Davidson

Harley-Davidson


Indian

Henderson until 1917; Excelsior-Henderson 1917-1920;
Started Ace in 1920 with Max Sladkin; Died in 1922

Henderson until 1917; Excelsior-Henderson 1917-1918

Indian

Holley

Torpedo

Cleveland

R.M. Keating Motor Co.

Waverly Manufacturing Co.

Excelsior-Henderson in 1920;
Went to Ace in 1923 as chief engineer;
Indian in 1927 when Indian purchased Ace

Aurora Automatic Machinery Co.

Reading Standard

Waverly Mfg. until 1912; A.O. Smith in Oct 1912;
Jefferson

Indian

California Motor Co. & Yale

Excelsior 1908; Black Hawk Motor Co. 1912

Miami & Flying Merkel


Marsh-Metz

Michaelson Motorcycle Co.

Developed the Millet motorcycle

Cleveland Motor Co.

Thor 1909 - Dec. 1912; Harley-Davidson

Created the "Otto-cycle" or four cycle internal combustion engine.

New Departure Mfg. Co., Bristol, CT

The Motor Cycle Co.

PT

Early pioneer of combustion chamber design.

Reading Standard Co.

Schickel

Emblem

Purchased Excelsior in 1912;
Purchased Henderson in 1917;
Closed Excelsior-Henderson in 1931

F.W. Spacke Machine Co.

Harley-Davidson

Harley-Davidson

Designed Theim & Cyclone for Joerns-Thiem

PT

PT

Harley-Davidson

1916-1919

1910-1915

1900-1909

1910-1915

1930-Later

1910-1915

-------------------------

1900-1909

-------------------------


-------------------------

Pre-1900

1910-1915


1900-1909; 1910-1915;
1916-1919

1910-1915

1910-1915

1920-2929; 1930-Later

-------------------------

1910-1915; 1916-1919;
1920-2929

1900-1909

1900-1909

1930-Later

1910-1915; 1916-1919;
1920-2929; 1930-Later

1900-1909

-------------------------


-------------------------

1920-2929

1900-1909

1900-1909

1910-1915; 1916-1919

1900-1909

1910-1915

-------------------------



1900-1909; 1910-1915

1900-1909

1916-1919


1920-2929

1900-1909

1910-1915

1900-1909; 1916-1919;
1920-2929

-------------------------

1910-1915

Pre-1900

1920-2929

-------------------------

Pre-1900


1916-1919

Pre-1900

1900-1909

1920-2929

1900-1909; 1910-1915

1916-1919

-------------------------

1916-1919



1910-1915

1930-Later

1920-2929

1910-1915; 1916-1919

1900-1909

1900-1909

1916-1919; 1920-2929


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