Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11527182 | Motor improvement for self-rotating displays | — | 2022-12-13 |
| 10580332 | Pressure equalization structure and motor improvement for fluid-immersed self-rotating displays | — | 2020-03-03 |
| RE45824 | Frictionless self-powered moving display | — | 2015-12-22 |
| 6952151 | Frictionless self-powered moving display | — | 2005-10-04 |
| 6937125 | Self rotating display spherical device | — | 2005-08-30 |
| 6853283 | Frictionless self-powered moving display | — | 2005-02-08 |
| 6393199 | Apparatus and method for high speed recording of video signals | James U. Lemke, James C. Crosby, Robert E. Monteleone | 2002-05-21 |
| 6275127 | Solar powered magnetic support for display | — | 2001-08-14 |
| 6122143 | Wet rigid disk drive assembly with a conical spindle bearing | James U. Lemke | 2000-09-19 |
| 5526204 | Low drag liquid bearing recording head | James U. Lemke, Turguy Goker, Walter Wong, William Repphun, David P. Danson | 1996-06-11 |
| 5488521 | Information recording apparatus with a non-newtonian liquid bearing | James U. Lemke | 1996-01-30 |
| 5317463 | Information recording apparatus with a liquid bearing | James U. Lemke, William B. McHargue | 1994-05-31 |
| 5193046 | Information recording apparatus with a liquid bearing | James U. Lemke, William B. McHargue | 1993-03-09 |
| 5097368 | Information recording apparatus with a non-Newtonian liquid bearing | James U. Lemke | 1992-03-17 |
| 4894741 | Magneto-resistive head with improved sensitivity | — | 1990-01-16 |
| 4796111 | Modulating head tape distance with vibratory motion | — | 1989-01-03 |
| 4705613 | Sputtering method of making thin film head having improved saturation magnetization | — | 1987-11-10 |
| 4644430 | Slotted sensor in yoke-type magneto-resistive head | — | 1987-02-17 |
| 4631613 | Thin film head having improved saturation magnetization | — | 1986-12-23 |
| 4412379 | Method of manufacturing a multitrack magnetic head employing double helix structure | James U. Lemke | 1983-11-01 |
| 4398345 | Method of making a multitrack magnetic head employing double helix structure | James U. Lemke, Richard J. McClure | 1983-08-16 |
| 4316227 | Multitrack magnetic head employing double helix structure | James U. Lemke | 1982-02-16 |
| 4314298 | Multitrack magnetic head employing double helix structure | James U. Lemke, Richard J. McClure | 1982-02-02 |