| All Patents in class 223/20 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 61,814 | Feb. 05, 1867 | M.S. Drake | Improvement in machines for pouncing hats |
 | 159,912 | Feb. 16, 1875 | R. Eickemeyer | Improvement in machines for pouncing hats |
| | RE6,858 | Jan. 11, 1876 | M.S. Drake | Improvement in machines for pouncing hats |
 | 202,529 | Apr. 16, 1878 | R. Eickemeyer | Improvement in hat-pouncing machines |
 | 240,311 | Apr. 19, 1881 | R. Eickemeyer | Hat Pouncing Machine |
 | 301,279 | Jul. 01, 1884 | C.H. Reid | Hat Finishing Lathe |
| | 415,243 | Nov. 19, 1889 | R. Eickemeyer | Hat-pouncing machine |
 | 421,514 | Feb. 18, 1890 | C.H. Reid | Hat Finishing Lathe |
| | 480,098 | Aug. 02, 1892 | J.B. Howe | Machine for Pouncing Hats |
| | 558,810 | Apr. 21, 1896 | J.B. Howe | Hat Finishing Lathe |
