yes
Pots
The history of the Colgate toothpaste company began before Colgate toothpaste was sold. The company was started by William Colgate in 1806. At that time the company sold starch, candles, and soap. They began selling toothpaste in 1873. At that time the toothpaste was sold in jars.
they are melted and sold as scrap metal
Most of the new Rever Ware pots that are sold today are made in China. The old ones are difficult to find, but you can try to get used Revere Ware on eBay.
No
New Jersey Toothpaste Inc.
no
Colgate
The first toothpaste sold in a metal tube was sold by Johnson & Johnson it was called Zonweiss. It was first available in collapsible metal tubes in 1889.
this will be answerd when you have heard of a toothbrush :P
Crest Whitening Paste.
I would say crest and colgate