| Number | Name | Date | Kind |
|---|---|---|---|
| 2988823 | Rosenbloom | Jun 1961 | |
| 3009267 | Bezark | Nov 1961 | |
| 3132443 | Kuhn | May 1964 | |
| 3419993 | Rodgers | Jan 1969 | |
| 4076155 | Calvin | Feb 1978 | |
| 5022886 | Jenkins | Jun 1991 | |
| 5061188 | McCollum | Oct 1991 | |
| 5067924 | Munter | Nov 1991 | |
| 5090910 | Narlo | Feb 1992 | |
| 5195917 | Russell et al. | Mar 1993 | |
| 5356295 | Grosz | Oct 1994 |
| Entry |
|---|
| "Plastics That Glow in the Dark," Modern Plastics, Oct. 1948, pp. 88-91. |