Ralph Kuppersmith/C. Mills
Yacht designer
Models
1
Years active
1973
Length overall
4.7–4.7 m
(15–15 ft)
Hull types
1 mono
Models
| Model | Years | LOA | Hull | Builder |
|---|---|---|---|---|
| US1 | 1973 | 4.70 m | Monohull | Advance Sailboat / Continental Sailcraft |
Builders of boats by Ralph Kuppersmith/C. Mills
Last updated 30 December 2025