He answered that question. Here's some help unders
Post# of 56323
Definition of PROPRIETARY
1
: one that possesses, owns, or holds exclusive right to something; specifically : proprietor 1
2
: something that is used, produced, or marketed under exclusive legal right of the inventor or maker; specifically : a drug (as a patent medicine) that is protected by secrecy, patent, or copyright against free competition as to name, product, composition, or process of manufacture