Does anybody know the difference between proprietary medicine and patent medicine?
Thanks in advance.
Last edited by Raymott; 18-Jun-2012 at 08:57. Reason: typo
It is part of my question.
unfortunately I was not able to understand your point once I am just a learner.
I am more confuse now.
Last edited by 5jj; 17-Jun-2012 at 12:09. Reason: typo
I think I have understood now. I found out this piece of information:
Patent Medicine Started the Pharmaceutical Industry in the
Patent medicines were preparations that often contained various
ingredients such as opium and alcohol and claimed to cure many if not all
-I did not know that patent had the above meaning.
Thanks very much for your help.
What does cause out mean?