| Inventor | Pennal, William Henry |
| Invention | Improvement in Seed Droppers |
| Residence | Bold Branch |
| Dated | 2/13/1877 |
| Patent | 187,412 |
| Class | 111/63 |
| Assign | * |
| US Patent Office Record | http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0187412 |
| Local Copy of Patent Docs | http://library.clemson.edu/scpatimages/index.php?pn=187412 |