Occupation Patents (Class 434/219)
Dairying, farming, ranching, or other occupation involving care of plants or animals (Class 434/225)
- Means for selectively illuminating character on simulated keyboard (Class 434/228)
- Means for selectively rendering key operable or inoperable (Class 434/229)
- Means for selectively producing sound of character (Class 434/230)
- Practice keyboard having individually depressible keys (Class 434/231)
- Means on hand or finger for indicating finger to be used (Class 434/233)