| Number | Name | Date | Kind |
|---|---|---|---|
| D219884 | Patton | Feb 1971 | |
| D292261 | Mitton | Oct 1987 | |
| D312030 | Brignull | Nov 1990 | |
| D314254 | Gordon | Jan 1991 | |
| D316315 | Elrod | Apr 1991 | |
| 316623 | Hooper | Apr 1885 | |
| D332675 | Simon | Jan 1993 | |
| D347497 | VanSkiver | May 1994 | |
| D360714 | d'Alguen | Jul 1995 | |
| D363862 | Lusignan | Nov 1995 | |
| D366193 | Dzburn | Jan 1996 | |
| D391133 | Lee | Feb 1998 | |
| 427055 | Cushing | May 1890 | |
| 929479 | Parker | Jul 1909 | |
| 1014250 | Norman | Jan 1912 | |
| 1209060 | Snyder | Dec 1916 | |
| 1267778 | Leen | May 1918 | |
| 1763757 | Charles | Jun 1930 | |
| 2215592 | Nelson | Sep 1940 | |
| 2537365 | Montavon | Jan 1951 | |
| 3063174 | Ludin | Nov 1962 | |
| 3094348 | Preziosi | Jun 1963 | |
| 3310332 | Nelson | Mar 1967 | |
| 3979146 | Berg | Sep 1976 | |
| 4828690 | Montez | May 1989 | |
| 5069026 | Johnson | Dec 1991 | |
| 5238277 | Robinson | Aug 1993 | |
| 5580111 | Bohn | Dec 1996 |
| Entry |
|---|
| Van Ness Plastic Molding Co. Inc. brochure for Scoop for Clumping Litter; Sep. 1992. |
| "Little Giant.RTM. Farm, Ranch and Pet Products" brochure, cover page and p. 6 (Mar. 1996). |