Lamarr and Anthiel received a patent in 1941, but the enormous significance of their invention was not realized until decades later. It was first implemented on naval ships during the Cuban Missile Crisis and subsequently emerged in numerous military applications.
Cash back credit card reward programs started out rather simply, offering a flat percentage rate (typically 1 percent of purchases) rebated back to the customer in the form of a check at the end of the year or a statement credit.
First Hawaiian Bank Cash Rewards Credit Card. 1  Earn cash back with every purchase with the Cash Rewards Credit Card. 2  There are no points to calculate, no enrollment process to earn rewards and your rewards will not expire. 3  You will earn up to 3% cash back on special categories, and 1% cash back on everything else.