Patents   USA  

Patent:US2229947

Patent:	US 2229947
Title:	Integrating Apparatus
Date:	28.01.1941
Place:
Country:	USA
Person:	T. Weber, Jr.
Company:
Internal Links:	Planimeter
Keywords:
Link to the patent office: (without guarantee)	US2229947 (espacenet),  US2229947 (uspto)

Aus der Patentschrift US2229947

• DATUM: 28.01.1941
• TITEL: Integrating apparatus