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| All Patents of Type: magnetic lifters | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,045,620 | Jul. 24, 1962 | E.W. Buck | Unitary Portable Electromagnetic Clamp | magnetic lifters | |
| 5,261,714 | Nov. 16, 1993 | J.R. Annis, R.O. Majors, R.J. Slusar | Electromagnetic Pickup Tool | magnetic lifters | |