David Lefevers

JL J.J. Mackay Canada Limited: 1 patents #18 of 34Top 55%

ML Medeco Security Locks: 1 patents #25 of 49Top 55%

📍 Roanoke, VA: #331 of 603 inventorsTop 55%

🗺 Virginia: #18,729 of 34,511 inventorsTop 55%

Overall (All Time): #3,560,995 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6467602	Electromechanical parking meter door communications interface	James Bench, Gary Hoss, J. Lumpkin, Gregory Emile Chauvin	2002-10-22