| Number | Name | Date | Kind |
|---|---|---|---|
| D303725 | Roiko et al. | Sep 1989 | |
| 1569854 | Doerr | Jan 1926 | |
| 1822010 | Cecil | Sep 1931 | |
| 2498980 | Bowling et al. | Feb 1950 | |
| 2505409 | Kirchner | Apr 1950 | |
| 2863245 | Knapp, Jr. | Dec 1958 | |
| 2937378 | Mackay et al. | May 1960 | |
| 3176338 | Hamburger | Apr 1965 | |
| 3648652 | Katzman et al. | Mar 1972 | |
| 3701604 | Holroyd | Oct 1972 | |
| 3883897 | Lefkowitz et al. | May 1975 | |
| 3885249 | De Brabander | May 1975 | |
| 4523348 | Petrie | Jun 1985 | |
| 4587673 | Boliard | May 1986 | |
| 4670930 | Lu | Jun 1987 | |
| 4953250 | Brown | Sep 1990 | |
| 4996735 | Blankenship | Mar 1991 | |
| 5127976 | McLeish et al. | Jul 1992 | |
| 5134746 | William | Aug 1992 |
| Entry |
|---|
| Brochure describing "Duramitt", Advanced Mittworks, Inc.; believed to be published prior to Jan. 19, 1995. |