Sealing rings for ventilation ducts

USD447223S · kind S · design

Assignee

• LINDAB AB · SE

Inventors

• Lars-åke Mattsson · Ystad, SE
• Pontus Andersson · Ängelholm, SE
• Kenneth Lennartsson · Torekov, SE
• Tomas Persson · Ängelholm, SE

Key dates

• Filing date: May 5, 1999
• Grant date: Aug 28, 2001
• Expiry date: Aug 28, 2015

Classification

• Technology area (CPC —): General