Tilt-n-Lock - Viwinco Windows
viwinco receives Tilt-n-Lock Patent

2009 - Tilt-n-Lock

Mike Duncan receives a patent for the “Barney Bolt”, the reinforcement technology which houses Viwinco’s signature Tilt-n-Lock hardware. The trademark for the OceanView name was also received and Viwinco’s impact-resistant products began production under this name.