| Patents for H. A. Chapin |
Patents 1 -
10
of 38
      |
| Picture | Number | Date | Patentee | Title |
 | 212,986 | Mar. 04, 1879 | L.C. Rodier | Faucet Handle Depth Adjuster |
 | 251,182 | Dec. 20, 1881 | O.W. Bullock | Tweezers |
 | 251,183 | Dec. 20, 1881 | O.W. Bullock | Combination watch-hand remover and case-opener |
 | 251,200 | Dec. 20, 1881 | C.P. Fay | Calipers |
 | 264,339 | Sep. 12, 1882 | J.A. Reece | Beam Calipers |
 | 264,341 | Sep. 12, 1882 | F.B. Richards | Combination Tool |
 | 281,068 | Jul. 10, 1883 | J.H. Hoague | Hand-drill |
 | 282,966 | Aug. 14, 1883 | E. Smith, J. Duckworth | Combined Protractor, Square, and Bevel |
 | 286,097 | Oct. 02, 1883 | W. Wassung | Miter-box |
 | 286,543 | Oct. 09, 1883 | A. Hyde | Wrench |
