Looking for the largest choice of unique doorbells? Or maybe an elegant doorbell? We have a large selection of doorbell covers. We carry brass, bronze and nickel doorbell covers to enhance your front door. Be sure to check out our Michael Healy line of doorbell covers too â€“ we are betting you will find one you like.Fun Facts About Doorbells..............The first electric doorbell was invented in 1831 by Joseph Henry. Before this invention, the doorbells of the most common type was a string attached to a large bell, similar to a church bell. It took a considerable amount of effort to ring this bell long enough to alert the homeowner.