David Nickelson

Follow

Person

Scandia, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Playground apparatus
- Patent number 7,377,856
- Issue date May 27, 2008
- Xccent Corporation
- David Nickelson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Child entertainment device
- Patent number 5,364,313
- Issue date Nov 15, 1994
- David Nickelson
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Playground apparatus
- Publication number 20070011954
- Publication date Jan 18, 2007
- David Nickelson
- A63 - SPORTS GAMES AMUSEMENTS