Patents   Great Britain  

Patent:GB176915

Patent:	GB 176915
Title:	Ellipsograph
Date:	23.03.1922
Place:
Country:	Great Britain
Person:
Company:
Internal Links:	Ellipsograph
Keywords:
Link to the patent office: (without guarantee)	GB176915

Aus der Patentschrift GB176915

• DATUM: 23.03.1922
• TITEL: Ellipsograph
• PERSON: JOHANN HARDT
• Patent Family: ( Patent:CH90494, Patent:DE346074, Patent:FR529703, Patent:GB176915, Patent:NL17499C, Patent:US1411493 )