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 | |