Patents
*Patent #641,509; 16 Jan. 1900; toilet flush valve *Patent #734,261; 21 Jul. 1903; organ *Patent #734,262; 21 Jul. 1903; organ *Patent #760,114; 17 May 1904; pneumatic valve *Patent #760,115; 17 May 1904; pneumatic coupler *Patent #795,608; 25 Jul. 1905; pneumatic *Patent #871,272; 19 Nov. 1907; pipe *Patent #923,263; 1 Jun. 1909; pneumatic *Patent #965,897; 2 Aug. 1910; pipe *Patent #967,911; 23 Aug. 1910; pipe *Patent #971,502; 27 Sep. 1910; pipe *Patent #1,078,851; 18 Nov. 1913; coupler *Patent #1,078,852; 18 Nov. 1913; coupler *Patent #1,173,507; 29 Feb. 1916; harp stop *Patent #1,230,895; 26 Jun. 1917; selector for player mechanism *Patent #1,236,430; 14 Aug. 1917; music player roll *Patent #1,250,165; 18 Dec. 1917; roll player registration *Patent #1,281,564; 15 Oct. 1918; swell regulation device *Patent #1,297,687; 18 Mar. 1919; pneumatic switch *Patent #1,304,971; 27 May 1919; player action control *Patent #1,323,530; 2 Dec. 1919; organ *Patent #1,327,996; 13 Jan. 1920; labial tuba mirabilis *Patent #1,477,485; 11 Dec. 1923; bottling machine *Patent #1,659,914; 21 Feb. 1928; stop action *Patent #1,636,996; 26 Jul. 1927; bottle capReferences
{{DEFAULTSORT:Haskell, William E. 1865 births 1927 deaths 20th-century American inventors 20th-century American businesspeople Artisans from Philadelphia People from Chicago People from Vermont