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| Patents Granted on 1989-06-27 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,841,898 | Jun. 27, 1989 | R. Ballantyne | Anchoring system for floating structure | ||
| 4,842,452 | Jun. 27, 1989 | D.S. Strait | Surfacing Machine | portable metal boring and drilling machines | |