A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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| Number | Title | Issue Date |
| 5093719 | Endoscopic gradient index optical systems Gradient index endoscopic or borescopic systems in forms ranging from basic to more complex depending on the optical task. The basic form comprises a gradient index objective of less than a quarter period in length followed by a gradient index relay whose... | 03/03/1992 |