Delbert Williams developed the first Supra lockbox over 55 years ago. Delbert, a real estate professional, was tired of spending his time to obtain keys and then return them in order to show homes to his clients. He crafted a keybox from a Yale® bicycle lock and a sand-cast aluminum container. Although very primitive, this lockbox served its purpose well – eliminating the need for agents to search for listing keys in order to get into houses for sale. By providing this instant one-key access, the first Supra® keybox and Supra Products Inc. were born.
As our society has advanced since 1955, the industry has demanded more-secure keyboxes that also provide accountability. In 1990 the first electronic keybox was introduced – The Supra Advantage Express™ -- the first Supra product to sell more than one million units.
With the introduction of the iBox in 2002, real estate agents could "beam" an infrared signal to their keyboxes. Bluetooth® wireless technology was added to the line in 2010 via the Bluetooth iBox, so that Bluetooth smartphones can communicate directly with the iBox BT with no other hardware needed.
Bluetooth® is a registered trademark of Bluetooth SIG. Yale is a registered trademark of Yale Security Inc., an ASSA ABLOY Group Company.