Say goodbye to messy spills and air bubbles. This Marcus Shotey innovation uses a floatable body with an outward seal that dynamically interacts with the sleeve. The higher friction on the ascent prevents premature rising, while lower friction on descent allows for a controlled, automatic retraction, ensuring a clean, quiet, and user-friendly experience.
Click Here : https://patents.justia.com/inv....entor/marcus-j-shote