It was over 18 months ago, but here is a source
Quiltingboard Forums - View Single Post - Question for longarmers with Tin Lizzy
From that post:
Ammon Floyd - Floyd's Sewing Repair - 2263 West 7800 South - West Jordan UT 84088 - PHONE: 801-255-4130. I'm told he is grandson/great grandson to the man who invented the Tin Lizzie.