| Number | Name | Date | Kind |
|---|---|---|---|
| 4780090 | Sugiyama et al. | Oct 1988 | A |
| 5454733 | Watanae et al. | Oct 1995 | A |
| 5967808 | Kubota | Oct 1999 | A |
| Entry |
|---|
| Installation instructions, Humminbird Wide 3D Paramount, pp. 27-33, Techsonic Industries, Inc., Eufala, Alabama (undated). |
| Installation instructions, Humminbird Depth Finder, Techsonic Industries, Inc. Eufala, Alabama (undated). |