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L&D Enterprises, LLC 

Lawrence Johnson & Donna Johnson

2668 Apple Ln.

Hartford, SD 57033

Phone: 605.526.4356

Email: chevy61348@people.pc.com

The Guardian Lock Block System is an innovative garage door lock device.  This lock renders the door inoperable.  It is easy to install, requires no electricity, and can be moved to other doors.  This patented product is also easy to produce.