| All Patents in class 81/3.31 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 441,422 | Nov. 25, 1890 | J. Kline | Cork Extractor | bar corkscrews |
| 532,575 | Jan. 15, 1895 | C. Morgan | Cork-extractor | bar corkscrews |
| 546,747 | Sep. 24, 1895 | M. Redlinger, M. Redlinger, Jr. | Cork-extractor | bar corkscrews |
| 557,734 | Apr. 07, 1896 | E. Walker | Cork-puller | bar corkscrews |
| 675,032 | May 28, 1901 | A. Baumgarten | Cork-extractor | bar corkscrews |
| 696,399 | Apr. 01, 1902 | A. Baumgarten | Cork Extractor | bar corkscrews |
| 713,540 | Nov. 11, 1902 | E. Walker | Bottle-neck-clamping mechanism for cork-pullers | bar corkscrews |
| 1,058,362 | Apr. 08, 1913 | R.B. Gilchrist | Bottle Holder | bar corkscrews |
