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| All Patents in class 15/21.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,340,679 | Feb. 01, 1944 | M.C. Moore, Administratix, B.W. Moore, deceased, (Estate of) | Aparataus for Welding Seams of Metal Drums | ||
| 3,026,550 | Mar. 27, 1962 | R.S. Bollin | Apparatus for Preparing Tubing for a Sweated Joint | ||
| 3,212,185 | Oct. 19, 1965 | E.F. Keiter | Apparatus for Preparing Hose | ||
 | 3,708,817 | Jan. 09, 1973 | F.W. Kiser, W.R. Rhine | Buffing and deburring machine | |