Operator Interface Or Control Patents (Class D14/388)
- Simulative (Class D14/403)
- And alignment aid (e.g., cross hairs) (Class D14/404)
- And hand grip (Class D14/405)
- And array of keys (Class D14/406)
- Substantially rectangular in plan (Class D14/407)
- Substantially circular or oval in plan (Class D14/408)
- Asymmetrical in plan (Class D14/409)
- Flared at one end (Class D14/410)