| 401 / | HD | COATING IMPLEMENTS WITH MATERIAL SUPPLY |
| 221 | DF | BIFURCATE POINTED NIB TOOL (E.G., FOUNTAIN PEN) {3} |
| 222 | DF | .~ Including reservoir and feeder {14} |
| 232 | DD | .~.~ With flow-regulator {4} |
| 233 | | .~.~.~ By adjusting gap between broad-face tool elements (e.g., ruling pen) |