Long Lost Locks: The X-Patents - Layerone 2013

In 1836 there was a terrible fire at the US Patent Office that destroyed nearly 10,000 patents, drawings, models, everything. Only 1/4 of those patents have been restored. Unfortunately for me, not one of the 53 lock patents that were lost managed to get recovered. So? I'm doing it myself. It's entirely likely that I'll never fully recover even one of these patents, but I am on a mission to discover as much as I can about both the locks & the inventors. In this talk I'll tell some of the stories that I've uncovered so far.

Видео Long Lost Locks: The X-Patents - Layerone 2013 канала blak angel