| Number | Name | Date | Kind |
|---|---|---|---|
| D37569 | Baker | Jun 1905 | |
| D233827 | Henry | Dec 1974 | |
| D249076 | Meeker et al. | Aug 1978 | |
| D294986 | Atchley | Mar 1988 | |
| D304548 | Freitas | Nov 1989 | |
| D310436 | Krauth | Sep 1990 | |
| D328656 | Greer et al. | Aug 1992 | |
| D337863 | Bowell | Jul 1993 | |
| D341204 | Hansen et al. | Nov 1993 | |
| D358097 | Leibowitz | May 1995 | |
| D376876 | McInnes | Dec 1996 | |
| 5010847 | Braden | Apr 1991 | |
| 5299710 | Welsch et al. | Apr 1994 | |
| 5305910 | Pollacco | Apr 1994 | |
| 5492083 | Holladay | Feb 1996 | |
| 5738039 | Berman et al. | Apr 1998 |
| Entry |
|---|
| Never Freez Automatic "Doggie Drink" brochure; Doggie Drink Manufacturing Co.; cover page through page 3, Nov. 1991. |