| Inventor | Smith, John L. |
| Invention | Propelling Boats by Screws, &c., in still water |
| Residence | Charleston |
| Dated | 9/18/1835 |
| Patent | 9,111X |
| Class | 440/69 |
| Assign | * |
| US Patent Office Record | http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=x009111 |
| Local Copy of Patent Docs | http://library.clemson.edu/scpatimages/index.php?pn=9111X |