Evert C. Mattson

Follow

Person

Brule River, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Universal adjustable walking crutch and/or cane
- Patent number 5,954,074
- Issue date Sep 21, 1999
- Evert C. Mattson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE