| Inventor | Mercer, William H. |
| Invention | Combined Cotton Chopper and Scraper |
| Residence | Mercer |
| Dated | 1/4/1887 |
| Patent | 355,547 |
| Class | 172/70 |
| Assign | * |
| US Patent Office Record | http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0355547 |
| Local Copy of Patent Docs | http://library.clemson.edu/scpatimages/index.php?pn=355547 |