Here is another site that might help if you know exactly what it is you are looking for. I use it regularly. http://www.google.com/patents
The others mentioned above are what I also use.
If you know the manufacturers web site and the product name, sometimes it is possible to get product fact sheets that usually contain enough information to be able to get the profile pics you want.
For instance
a little wip I am doing that I got the profile pictures for directly from the manufacturers product fact sheets. Try it oout, these are all your best options