Frame Or Mount Patents (Class 451/340)
- Button cleaner (Class 451/345)
- Calk sharpener (Class 451/346)
- Rail abrader (Class 451/347)
- Roll or wheel abrader (Class 451/348)
- Edge-tool sharpener (Class 451/349)
- Floor surfacing machine (Class 451/350)
- Wall surfacing machine (Class 451/354)
- Endless band tool (Class 451/355)
- Reciprocating tool (Class 451/356)
- Orbital motion tool (Class 451/357)
- Rotary cylinder tool (Class 451/358)
- Rotary disk tool (Class 451/359)