Skip to main content

Box 4

 Container

Contains 54 Results:

Eli F. Franklin - Fan; Fan and pully therefore

 Item — Box: 4
Scope and Contents From the Collection:

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.

Dates: 1931 - 1958

Arthur Connors - Brake for flying machines (two)

 Item — Box: 4
Scope and Contents From the Collection:

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.

Dates: 1931 - 1958

Dorhl H. Coy - Motor cooling system

 Item — Box: 4
Scope and Contents From the Collection:

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.

Dates: 1931 - 1958

Ugo de Caria - Adjusting mechanism for propeller blades and the like

 Item — Box: 4
Scope and Contents From the Collection:

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.

Dates: 1931 - 1958