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| Patents for John Herbert Abramson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,740,055 | Dec. 17, 1929 | J.H. Abramson | Expansive bit | |
 | 1,753,103 | Apr. 01, 1930 | J.H. Abramson | Recessing tool | |
 | 1,758,069 | May 13, 1930 | J.H. Abramson | Bit Extension | |
 | 1,971,289 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratcheting Screwdriver | |
| 1,971,290 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratchet mechanism | ||
 | 1,971,291 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratchet device | |