possibly I have some positive news for you.
Rudolf Jurnikl (born 6.2 1928 - Frydek)
glass artist, apprenticeship in flat glass cuttin in Frydek in KaMa-Karel Matusek company (1942-1943), specialised school for Glassmaking in Kamenicky Senov - glass engraving (1945 - 1948), Academy of applied Arts Prague prof. Stipl (1948 - 1953) after research assistant at same academy, since 1960 designer Sklo Union (OBAS).
Mr. Jurnikl nowadays live in Prague, but he is almost blind and very ill (I have been told). I know personaly Mr. Vizner, he is his collegue from Sklo Union in 60ties and his old friend - he lived some time in his house in 1966-1967, perhaps I will be able to find more for you.
More details about his work you can find in Marcus Newhall book Sklo Union - Art Before Industry: 20th Century Czech Pressed Glass (www.sklounion.com
Let me know if I can help you