Patented or Proprietary Items definition
Patented or Proprietary Items means supplies, materials, or equipment which are produced only by one manufacturer or are available from only one source; or services which are available from one provider thereof. (WAO-0092 § 3, 2015; W AO- 0088 § 1, 2014; WAO-0072 § 2, 2008; WAO-0069 § 1, 2007)