I'd love to be able to attribute it to Mobil Oil, but I don't see any direct reference at all.
The helicopter is called the "Lark." I'll include another photo here to show it off a bit more.
It's a really nice item. I have a BUNCH of flying helicopter toys that work much like this one. These free-flight helicopter toys were made by various manufactures in the USA, Japan, Germany and Hong Kong. I think the Lark's "Heliport" metal launcher is probably the most creative hand-held launching system of any of them.
Here's a post that I did earlier that features some of these flying toys:
viewtopic.php?f=32&t=1074