| Number | Name | Date | Kind |
|---|---|---|---|
| 2896288 | Davis | Jul 1959 | A |
| 3357069 | Gazeley | Dec 1967 | A |
| 3358340 | Higuchi | Dec 1967 | A |
| 5168606 | Ziemelis | Dec 1992 | A |
| Entry |
|---|
| One photograph and one page of a brochure of a prior art connector distributed by Walsall Hardware Corporation, Skottsdale, Arizona. |