| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for A. H. Clark | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 32,467 | Jun. 04, 1861 | A.H. Clark | Shingle-machine | |
 | 39,035 | Jun. 30, 1863 | L.S. Colburn | Improvement in churns | |
 | 39,272 | Jul. 21, 1863 | A.H. Clark | Shingle machine | |
 | 182,492 | Sep. 19, 1876 | H.C. Stouffer | Pipe-Wrench | |