| Photo | Generation | Molds | |
|---|---|---|---|
| 23 - Old logo - smaller stud recess - corner-pip - no mold-id | 1 | ||
| 34 - Old logo - 2x4 with mold identifiers | 1 |
| Photo | CatId | Mold | Members | Associations |
|---|---|---|---|---|
| 23f | 2x4 - mold id right top to bottom - small pat.pend. | 18 / 18 |
| Photo | CatId | Mold | Members | Associations |
|---|---|---|---|---|
| 34d1 | 2x4 - D-mold 1 - Small 'Pat. pend.' large 'D' | 20 / 20 |
| Generations | Molds | MoldMembers |
|---|---|---|
| 2 | 2 | 38 |