| Number | Name | Date | Kind |
|---|---|---|---|
| D. 223292 | Brewster | Apr 1972 | |
| D. 283075 | Spirk, Jr. et al. | Mar 1986 | |
| D. 359152 | Adams et al. | Jun 1995 | |
| D. 393531 | Perkitny | Apr 1998 | |
| 1509950 | Hedrick | Sep 1924 | |
| 3135270 | Arnold | Jun 1964 | |
| 3844297 | Lautzenhiser | Oct 1974 | |
| 3997045 | Yeung | Dec 1976 | |
| 4560086 | Stol | Dec 1985 | |
| 4607648 | Hough | Aug 1986 | |
| 4787873 | Borrmann et al. | Nov 1988 | |
| 4987990 | Perkitny | Jan 1991 | |
| 5474496 | Perkitny | Dec 1995 | |
| 5827117 | Naas | Oct 1998 | |
| 5976006 | Snyder | Nov 1999 |
| Entry |
|---|
| Mag-Nif Makes it in the U.S.A.!—Banks, Games & Puzzles, Just for Fun! catalog (Front Cover, pp. 1-14 and Back Cover) (1998). |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 09/244937 | Feb 1999 | US |
| Child | 29/110365 | US |