Good thing I can bypass all of these, without vaccines.
When do their patents expire? Patents usually only last a maximum of 20 years.
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Good thing I can bypass all of these, without vaccines.
When do their patents expire? Patents usually only last a maximum of 20 years.
Each patent shows the date it was granted. For example, the first one listed here is May 2000.
I'm not sure about expiry dates though.