David A. Nickelson

Follow

Person

Scandia, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Safety ladder
- Patent number 8,074,771
- Issue date Dec 13, 2011
- David A. Nickelson
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Safety ladder
- Publication number 20070193833
- Publication date Aug 23, 2007
- David A. Nickelson
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT