Plural Cooperating Blades Patents (Class 30/173)
- Hair thinners (Class 30/195)
- Multiple shearing position (Class 30/196)
- Multiplex (Class 30/226)
- With motor (Class 30/228)
- Form cutter (Class 30/229)
- With supports (Class 30/231)
- With guard, guide and/or gauge (Class 30/233)
- Spring joint (Class 30/234)
- Compound blade movement (Class 30/237)
- Rotary blade (Class 30/240)
- Reciprocating blade (Class 30/241)
- Pivoted blade (Class 30/244)