| Number | Name | Date | Kind |
|---|---|---|---|
| D356195 | Krueger et al. | Mar 1995 | |
| 1469029 | Underwood et al. | Sep 1923 | |
| 2101027 | Karger | Dec 1937 | |
| 2498980 | Bowling et al. | Feb 1950 | |
| 2505409 | Kirchner | Apr 1950 | |
| 2651071 | Dyer et al. | Sep 1953 | |
| 2863245 | Knapp, Jr. | Dec 1958 | |
| 3176338 | Homburger | Apr 1965 | |
| 3648652 | Katzman et al. | Mar 1972 | |
| 3701604 | Holroyd | Oct 1972 | |
| 3883897 | Lefkowitz et al. | May 1975 | |
| 3885249 | De Brabander | May 1975 | |
| 4996735 | Blankenship | Mar 1991 | |
| 5127976 | McLeish | Jul 1992 | |
| 5134746 | William | Aug 1992 |
| Entry |
|---|
| Brochure describing "Duramitt"; Advanced Mittworks, Inc.; believed to be published prior to Jan. 19, 1995. |