Vintage 1980s Promotional Advertising White and similar items

This is a NEVER Used, Hard To Find, MINT Condition, Marked “White Plastic Blue Lettering Rentrak Give Away Promotional Advertising Bottle Opener Keyring Key Ring Chain Keychain" from the late-1980s. My neighbor owned a video store from the mid-1980s through the early-2000s. He received this Bottle Opener Key Ring as a promotional give-away. NEVER Used, he put it away with other memorabilia from his video store days and NEVER Used it. Getting ready to move to a smaller home, he is downsizing his possessions and has asked me to sell this Key Ring Bottle Opener for him; it comes from a smoke-free, pet-free home. Made of sturdy White Plastic, the Bottle Opener measures approximately 2 5/8th inches long, approximately 1/2 inch thick and approximately 1/2 inch wide with the Key Ring having a diameter of approximately 1 inch; one side is Marked "Pat 4864898" and the other side is Marked "Evans 52840". The top is printed with Blue Lettering that reads “Rentrak". This Bottle Opener Give Away Key Ring is hard to find. It is the PERFECT addition to any Movie Rental Store, Bar Buddy Bottle Opener, Key Ring, Key Chain, Rentrak or Video Memorabilia Collection, and is looking for a new home. IDEAL use, it is suitable for woman, man, or teenager to lift up a bottle cap at summer festivals, picnics, parties, and other events. Rentrak Corporation is currently a global media measurement and research company serving the entertainment industry. Rentrak began as a nationwide video chain named National Video, which was founded and incorporated in 1977. National Video founder Ron Berger developed what is now known as the pay-per-transaction (PPT) system, which allows studios and retailers to lease movie titles instead of purchasing them. The company went public in 1986. In 1988, facing competition from rival Blockbuster Video, Berger sold the National Video franchise chain and renamed the company Rentrak. Pat 4864898 - Can openers are designed to open a sealed aperture in the top of the can. However, none of these openers provides for normal flow of the liquid contents from the can because of the presence of an air lock formed within the can when it is inverted to pour out its contents. The air lock results in a reduced, irregular discharge of the liquid contents from the can. This patent was for an invention that prevents the formation of an air lock in the opening of a sealed can for facilitating discharge of the liquid contents in a uniform, maximum flow rate from the can.