With Casing Or Support Patents (Class 222/173)
- With assembly or disassembly feature (Class 222/609)
- With guide or guide line marker (Class 222/611.1)
- With height adjustment (Class 222/612)
- Dispensing means driven or controlled by surface contact (Class 222/613)
- Motor operated dispensing means (Class 222/626)
- Manually actuated fluid pump (Class 222/628)