US Patent 4,051,738 - Excel

DISRAELI DOCUMENTS

US Patent # 4,051,738 - Excel

US Patent 4,051,738 - Excel main image

Publisher: US Patent and Trademark Office
Inventor: Walter Dian
Country: USA
Date: priority date July 1976
Derailleur brands: Excel
Derailleurs: Excel Dynamic II

US Patent 4,051,738 - Excel scan 01 thumbnail

US Patent 4,051,738 - Excel scan 02 thumbnail

US Patent 4,051,738 - Excel scan 03 thumbnail

US Patent 4,051,738 - Excel scan 04 thumbnail

US Patent 4,051,738 - Excel scan 05 thumbnail

Browse associated derailleurs.

Excel Dynamic II derailleur thumbnail

Excel Dynamic II 1977?