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