One way to search for patents is http://patents.google.com and enter the patent number (other searches are of course possible but generally I don't use Google). The official US patent web site is http://patft.uspto.gov and in this case click Number Search and enter a patent number.

Here are direct links to the patents being discussed:

http://patft.uspto.gov/netacgi/nph-P...tnumber=115230

http://patft.uspto.gov/netacgi/nph-P...tnumber=115231

Here are images from the first and second patents:

Click image for larger version.  Name: 115230.jpg  Views: 12  Size: 22.4 KB  ID: 15918 Click image for larger version.  Name: 115231.jpg  Views: 12  Size: 31.6 KB  ID: 15919