Invent Deposition #3421 · © 2017 Christopher Gabriel Brown

Long before it became Landfill Mining Truck — Proof of Function #1, this idea was written down and copyrighted in 2017 as Invent Deposition #3421:

“Atomic weight vacuum precious metal recycling and atom mining.”— © 2017 Christopher Gabriel Brown

Original 2017 entry preserved in the Internet Archive snapshots of buyinvent.com.

It has since graduated from a one-line idea into an engineered product.

→ See where it graduated: Landfill Mining Truck — Proof of Function #1

Provenance: published 2017 in the Invent Depositions collection; part of an intellectual-property portfolio with U.S. patent applications dating to 2012; independently timestamped by the Internet Archive. First to market — documented public offering, not a determination of patent priority.