Hearing protector

USD668392S1 · kind S1 · design

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Lars G. E. Carlborg · Ronneby, SE
• Johan Rapp · Ronneby, SE
• Leif Johansson
• Martin Birath · Lidingö, SE
• August Michael · Stockholm, SE
• Oskar Juhlin · Boo, SE

Key dates

• Filing date: Apr 28, 2011
• Grant date: Oct 2, 2012
• Expiry date: Oct 2, 2026

Classification

• Technology area (CPC —): General