https://pressroom.prlog.org/sleeperlock/ About SleeperLock LLC - SleeperLock - the device that keeps drivers "safe and rested" in their truck cab. https://www.prlog.org/11716375-sleeperlock-offers-new-patented-device-for-truck-driver-security.html The patented SleeperLock is now ready to keep drivers safe in their cab while they rest. Drivers no longer have to slip with "one eye open". A better rested driver equals a safer and more productive driver.Fri, 02 Dec 2011 18:11:48 GMT