Fastenings Patents (Class 238/310)
- Gauge (Class 238/339)
- Multiple face (Class 238/340)
- Cam adjustment (Class 238/341)
- Nut type (Class 238/342)
- Anchors (Class 238/343)
- Bevel guide (Class 238/347)
- Internal arm (Class 238/348)
- Spring (Class 238/349)
- Integral with tie (Class 238/350)
- Clip type (Class 238/351)
- Hooks (Class 238/355)
- Lever (Class 238/360)
- Wedges (Class 238/361)