More on COPAN

I assume the name is an abbreviation of the words copper and pan. It's also probably an allusion to the French word copain, which means "best friend".

As for the images for the pan, the U.S. Patent and Trademark Office digitized their patents in a way which normal browsers can't view easily.

Here's a link to the software which needs to be installed (it's quick and easy) to see the images: http://patft.uspto.gov/help/images.htm

Here's a link to the utililty patent: http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=4653468.PN.&OS=PN/4653468&RS=PN/4653468
which describes the invention.

Here's one to the design patent for the handle: http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=D298404.PN.&OS=PN/D298404&RS=PN/D298404.