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Patents > Inventor country:
US 
& National tech categories:
USPC 244/3.23
& Number of text pages:
1-2
& National tech categories:
USPC 244/3.23
& Number of text pages:
1-2 Use the filters below to narrow your results.
Year filed:
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Inventors:
Alvis F. Croom (1) ·
Archibald J. Robertson (1) ·
Benedict Swain (1) ·
Charles E. Ball (1) ·
Charles F. Brown (1) ·
Charles G. Kellogg (1) ·
Charles Jackson (1) ·
David M. Mefford (1) ·
Edward Clinton Hancock (1) ·
Elisha Matteson (1) ·
Frank E. Kenney (1) ·
Frank M. Ashley (2) ·
George E. Wells (2) ·
George H. Ogilvy (1) ·
H. H. Mansfield (1) ·
Halvor Halvorson (1) ·
Henry M. Gleason (1) ·
J. B. Hyde (1) ·
James A. Woodbury (1) ·
Jedediah Morse (1) ·
John Holroyd (1) ·
John L. McConnel (1) ·
John Wesley Cope (1) ·
Louis Gathmann (1) ·
Mills L. Callender (1) ·
Rufus Sibley (1) ·
Seph P. Woodbury (1) ·
Sol. S. Gray (1) ·
Thomas Goodrem (1) ·
Thomas Smith (1) ·
William Bowman (1) ·
William H. Dibble (1) ·
William Mansfield (1) ·
William Taggart (1)
Inventor country: (Click arrow to add another value)
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None (3) ·
Alfred C. Rex (1) ·
Alvis F. Croom (1) ·
Archibald J. Robertson (1) ·
Benedict Swain (1) ·
C. H. Welling (1) ·
Charles E. Ball (1) ·
Charles F. Brown (1) ·
Charles G. Kellogg (1) ·
Charles Jackson (1) ·
Charles Spear (1) ·
Christopher C. Brand (1) ·
Daniel W. Hoelbing (1) ·
David M. Mefford (1) ·
Edward Clinton Hancock (1) ·
Elbert Perce (1) ·
Elisha Matteson (1) ·
Ella Hoelbing (1) ·
Frank E. Kenney (1) ·
Frank M. Ashley (2) ·
George E. Wells (2) ·
George H. Ogilvy (1) ·
Henry M. Gleason (1) ·
J. B. Hyde (1) ·
John Holroyd (1) ·
John L. McConnel (1) ·
John Wesley Cope (1) ·
Louis Gathmann (1) ·
Mills L. Callender (1) ·
Rufus Sibley (1) ·
Thomas Goodrem (1) ·
Thomas Smith (1) ·
William Bowman (1) ·
William H. Dibble (1) ·
William Taggart (1)
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