PR: VinPerfect Achieves Significant Business Milestones; Opens Series A Preferred Stock Offering "The VinPerfect patent-pending Screwcap combines a micro-perforated screwcap and custom-engineered liners that allow for optimal levels of oxygen transfer to suit any wine varietal. With this optimal oxygen transfer rate, the wine is kept in top condition, can age and will taste as the winemaker intended."