<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375162</termId><termName>leptat glass</termName><termType>PT</termType><termNote><![CDATA[ A type of deeply etched, crystalline glass developed by Bernard O. Gruenke and his son, Bernard E. Gruenke, Jr., in the 1970s. The glass was inspired by a Czechoslovakian etched glass exhibit they saw at the World's Fair in Osaka, Japan; they called their glass "leptat," a word derived from the Czech meaning "to etch," in honor of its inspiration. The etching technique was later patented. ]]></termNote><termCreatedDate>2026-03-30 20:41:10</termCreatedDate><relation><relationType>UF</relationType><termId>31375163</termId><termName>glass, leptat</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344445</termId><termName>glass by technique</termName><termType>PT</termType></relation></term>  </Zthes>