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Patent:US1515988

Patent:	US 1515988
Title:	Integrating and Registering Device for Fluid Meters
Date:	18.11.1924
Place:
Country:	USA
Person:	J. R. Armstrong et al
Company:
Internal Links:	Planimeter
Keywords:
Link to the patent office: (without guarantee)	US1515988 (espacenet),  US1515988 (uspto)

Aus der Patentschrift US1515988

• DATUM: 18.11.1924
• TITEL: Integrating and registering device for fluid meters