NEW HARTFORD, N.Y.–(BUSINESS WIRE)–ParTech, Inc. (“PAR”), a global restaurant technology company and provider of a unified commerce cloud platform for restaurants, has announced that Mr. Pickle’s, a 47-unit chain based in California, has selected PAR Payment Services as its payment processing platform across its network of stores. ParTech, Inc., is a wholly owned subsidiary of PAR Technology Corporation (NYSE: PAR). The family-owned and operated premium sandwich chain with locations across Ca