| Number | Name | Date | Kind |
|---|---|---|---|
| 3209323 | Grossman | Sep 1965 | |
| 4333527 | Higgins et al. | Jun 1982 | |
| 4806928 | Verneruso | Feb 1989 |
| Entry |
|---|
| OTC Paper 5920, May 1989, A Downhole Electrical Wet-Connection System-For Delivery And Retreival of Monitoring Instruments By Wireline. |
| Data Latch System Brochure, Sep. 1989. |