| Number | Name | Date | Kind |
|---|---|---|---|
| 3195912 | Howard et al. | Jul 1965 | |
| 3813111 | Ruger | May 1974 | |
| 4012878 | Ellingson | Mar 1977 | |
| 4201359 | Baslow | May 1980 | |
| 4600204 | Badger | Jul 1986 | |
| 4751891 | Wilson | Jun 1988 | |
| 4883281 | Waterman | Nov 1989 | |
| 5020811 | Ondrasik | Jun 1991 | |
| 5074570 | Ferris et al. | Dec 1991 |
| Number | Date | Country |
|---|---|---|
| 382866 | Aug 1990 | EPX |
| 1182410 | Nov 1964 | DEX |
| 2602653 | Jul 1986 | FRX |
| Entry |
|---|
| Drawing No. 1-1295-515 dated Jun. 8, 1976 of United Steel & Wire Division Brochure of Kart-Gard, "A New One-Piece Full Length Shopping Cart Bumper", undated. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 706055 | May 1991 |