AT 63b

This is an instance in which the original patent document by which we found the classification does not display the nature of the classification. This classification may involve peculiarities of design and technical principle which are not at all exclusive to aeronautics. The classification has nevertheless entered our data via patents covering inventions which do apply to aeronautics and aviation.

This wiki has 1 patents in category "AT 63b".

Patents in category AT 63b

• Patent AT-1905-30080 (English title: Device for maintaining the balance of bodies that are not inherently stable, such as bicycles and the like., Inventors: Louis Brennan, Filing date: 1905-01-31)

Enclosing categories	AT 63, Austrian patent classifications, Patent classification systems
Subcategories
Keywords	Stability, Gyroscope
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