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| 9211426 | Device and method for protection during ascent | May 12, 11 | Dec 15, 15 | Boettcher, Andrea |
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| 8490750 | Energy absorbing lifeline systems | Feb 24, 09 | Jul 23, 13 | HONEYWELL INTERNATIONAL INC. |
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| 8181744 | Self-retracting lifeline systems and braking systems therefor | Feb 24, 09 | May 22, 12 | HONEYWELL INTERNATIONAL INC. |