Patents for Ralph A. Palmer |
Patents 1 -
8
of 8
      |
Picture | Number | Date | Patentee | Title |
 | 147,427 | Feb. 10, 1874 | D.W. Parker | Claw-Hammers |
 | 151,907 | Jun. 09, 1874 | C. Parker | Claw-Hammers |
 | 156,602 | Nov. 03, 1874 | H. Smith | Ratchet-Drills |
 | 158,121 | Dec. 22, 1874 | S.T. Proudman | Improvement in key-fasteners |
 | 164,604 | Jun. 15, 1875 | H. Smith | Improvement in drills for drilling metal |
 | RE6,623 | Aug. 31, 1875 | D.W. Parker | Improvement in Claw-Hammers |
 | 198,344 | Dec. 18, 1877 | C. Buckley | Improvement in methods of boring wood cylinders |
 | 319,743 | Jun. 09, 1885 | S.O. Parker | Bench Vise |