| Number | Name | Date | Kind |
|---|---|---|---|
| D251523 | Rylander | Apr 1979 | |
| D274589 | Christensen et al. | Jul 1984 | |
| D278493 | Brescia et al. | Apr 1985 | |
| D358608 | Mak | May 1995 | |
| D363313 | Willems | Oct 1995 | |
| D371806 | Boone et al. | Jul 1996 | |
| D388459 | Jack | Dec 1997 | |
| D390263 | Jack | Feb 1998 | |
| 4703571 | McCarthy | Nov 1987 | |
| 5713146 | Reeves, Sr. | Feb 1998 |
| Entry |
|---|
| Boise Cascade Office Products Catalog, 1996, pp. 276-278; 283-290; 654-655; 657-661. |