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| 9751628 | Multiple delivery sling-load system and method | Sep 12, 16 | Sep 05, 17 | TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD. |
| 9440741 | Multiple delivery sling-load system and method | Dec 07, 11 | Sep 13, 16 | TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD. |
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| 8516784 | Apparatus for vertically linking two sections of chain | Dec 06, 12 | Aug 27, 13 | VICINAY CADENAS, S.A. |
| 8240728 | Automated shackle assembly | Dec 24, 08 | Aug 14, 12 | P&H Co., Ltd |
| 8226138 | Apparatus for securing rescue operations by helihoisting | Mar 26, 09 | Jul 24, 12 | ZEDEL |
| 5895083 | Automatic cable disconnector | Sep 13, 96 | Apr 20, 99 | BIDWELL CONNECTION, L.L.C., THE |
| 5816636 | Self-releasing log choker | Jun 24, 97 | Oct 06, 98 | Not available |
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| 5364145 | Single action rotary release hook | May 20, 93 | Nov 15, 94 | Not available |
| 5361916 | Gate-handling crane | Sep 10, 93 | Nov 08, 94 | MHE TECHNOLOGIES, INC. |
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| 5205600 | Automatic release coupling | Mar 18, 92 | Apr 27, 93 | Not available |
| 5178427 | Self-releasing lift hook | Jan 23, 92 | Jan 12, 93 | Not available |
| 5123374 | Releasable toggle locking mooring hook | Mar 20, 91 | Jun 23, 92 | Not available |
| 5074608 | Tongs-like cargo-hook device with automatic loading features | Jun 11, 90 | Dec 24, 91 | Not available |
| 5064235 | Automatic sling lock | Jun 25, 90 | Nov 12, 91 | Less Micanik, Inc |
| 4943099 | Tongs-like cargo hook device with automatic loading and unloading capability | Oct 24, 88 | Jul 24, 90 | Not available |