Norma Wigutoff

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable stepping system
- Patent number 8,141,680
- Issue date Mar 27, 2012
- Norma Wigutoff
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE STEPPING SYSTEM
- Publication number 20110247898
- Publication date Oct 13, 2011
- Norma Wigutoff
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS