Box 4
Contains 54 Results:
Donald M. Burges - Internal Combustion Engine
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Henry A. Berliner - Variable pitch propeller (two); propeller
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Edward M. Bertran - Variable pitch propeller
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Werner J. Bianchard, et al - propeller mechanism
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Heinrich Brinkmann - Shifting Reversing and controlling mechanism for vessels (two)
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
George F. Buckingham - Propeller
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Edward B. Curtis - Variable pitch propeller
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Frank W. Caldwell - Propeller (reissue of 1893612) (two); Adjustable pitch propeller; Control means for controllable propellers (two); counter rotating propeller; Propeller (four); Multiposition controllable pitch propeller (three); Control means for aeronautical propellers; Releasable propeller drive; Controllable pitch aeronautical propeller; aircraft propellers
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
C. W. (Charles) Chillson - Propeller Governor
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
Roy N. Coats - Thermostatic Fan
This collection consists of Hoover's personal papers, materials covering his various patents on airplane propeller parts, and the legal issues generated over those patents. In addition, there are materials related to his work as a farmer, and the owner of a transmission and pulley company.
