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Robert Millikan, Nobel Prize winner in physics
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| Number | Title | Issue Date |
| 4776617 | Telescopic swivel pipe joint A telescopic swivel pipe joint for coupling a pair of axially spaced pipes each having a connection end comprising a pair of joint connectors each connected to the connection end of a corresponding pipe and having a spherical bearing surface, a pair of ma... | 10/11/1988 |
| 4729703 | Double nut A double nut comprising a locking nut body having a threaded axial bore, the locking nut body being formed with a recess defined by an annular internal surface and arranged in communication with the axial bore, a tightening nut body having a threaded axia... | 03/08/1988 |