Device Attachable To Or Integral With Swingable Implement Patents (Class 473/226)
- Alterable shaft provides swing force indication (Class 473/232)
- Swing speed indicator (Class 473/233)
- Projectile retained by head of swingable implement during swing (Class 473/235)
- Projection on face of swingable implement head provides reduced striking area (Class 473/236)
- Indication is a mark made by implement swing (Class 473/237)
- Adjustable implement or static position indicator (e.g., with respect to the golfer, projectile, target, etc.) (Class 473/238)