Copyright protection in Access

Jeff Conrad posted a collection of links for copyright protection in Access in Microsoft public newsgroups, here bit revised list:

Here are some links/samples that should help with this topic
http://members.shaw.ca/glenk/access2000.html
Look for the downloads:
"Updated have Database Expire After 30 Days Of Use"
"Updated have Database Expire After 30 Days Of First Being Opened."

MVP Tony Toews' thoughts on demos/expiration coding:
http://www.granite.ab.ca/access/demo.htm

Peter De Baets has a product called KeyedAccess that will do this I believe:
http://www.peterssoftware.com/ka.htm

Paul Overway has something similar here:
http://www.logico-solutions.com/
--Go to Add-ins/Extras area and look for "Logico Solutions MDB Lock"

Also try here:
http://www.rogersaccesslibrary.com/Otherdownload.asp?SampleName=

And for copyright protection these may be of help as well:
Google Directory
http://www.crypkey.com/products/copyprot/copyprot.html
http://www.copyprotection.com/

Also I would add a SageKey Security Package

If you know some good staff to add to this list - please let me know.