# Frederick E. Shelton, IV — Patents explained on PatentBrief

Frederick E. Shelton, IV has 3 landmark patents explained in plain English on PatentBrief.

- [How Surgical Tools Give Haptic Feedback Near Operation Limits](https://patentbrief.org/patent/us/12402879/surgical-instrument-having-force-feedback-capabilities) — granted 2025
  This patent describes a surgical instrument that uses a motor to move a tool, continuously tracking its position and providing a tactile vibration or haptic feedback to the surgeon as the tool approaches the end of its movement, improving precision and safety.
- [Customizing Surgical Dissectors Using 3D Printing](https://patentbrief.org/patent/us/10959744/surgical-dissectors-and-manufacturing-techniques) — granted 2021
  This patent describes a surgical tool's working tip, called an end effector, which has two jaws whose gripping features can be custom-made using 3D printing for specific surgical needs.
- [Surgical Tool with Flexible, Articulating, and Rotating End Effectors](https://patentbrief.org/patent/us/10736702/activating-and-rotating-surgical-end-effectors) — granted 2020
  This patent describes a surgical tool with a flexible tip that can bend in multiple directions and also twist, allowing surgeons to precisely control instruments like graspers and cutters inside the body.

**Full profile:** https://patentbrief.org/inventor/frederick-e-shelton-iv

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._