see also US Trademark # 1,229,557 - Excel 1955
see also US Trademark # 1,229,557 - Excel 1955
- Publisher: US Patent and Trademark Office
- Date: First use February 1955
- Derailleur brands: Excel
- Derailleurs: nothing specific
see also US Patent # 3,903,751 - Excel 1974
see also US Patent # 3,903,751 - Excel 1974
- Publisher: US Patent and Trademark Office
- Date: application filed April 1974
- Derailleur brands: Excel
- Derailleurs: Excel Dynamic
see also US Patent # 4,038,878 - Excel 1976
see also US Patent # 4,038,878 - Excel 1976
- Publisher: US Patent and Trademark Office
- Date: priority date May 1976
- Derailleur brands: Excel, Elgin
- Derailleurs: Excel, Elgin American
see also US Patent # 4,051,738 - Excel 1976
see also US Patent # 4,051,738 - Excel 1976
- Publisher: US Patent and Trademark Office
- Date: priority date July 1976
- Derailleur brands: Excel
- Derailleurs: Excel Dynamic II
see also US Trademark # 1,229,563 - Excel 1981
see also US Trademark # 1,229,563 - Excel 1981
- Publisher: US Patent and Trademark Office
- Date: First use June 1981
- Derailleur brands: Excel
- Derailleurs: nothing specific
