The only I know is that they won a sue against Telefunken who fringed some of their patents with the development of the XM2000. Telefunken had to destroy all the produced tubes, however some came at the black market. I own one.
eric -----Oorspronkelijk bericht----- Van: 'Grahame' via neonixie-l [mailto:neonixie-l@googlegroups.com] Verzonden: dinsdag 25 april 2023 18:17 Aan: neonixie-l Onderwerp: [neonixie-l] NIMO Patents Hi Does anyone know any patent numbers for the IEE NIMO tubes please? All I have found so far is Pat Pending. Ta Grahame -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/334db6fd-7e5d-a990-8cd5-9c799a92e63d%40googlemail.com. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/!%26!AAAAAAAAAAAYAAAAAAAAAPDddShx705MuX20yCpp0vvCgAAAEAAAABU8EtIREGxFqZD38U7yLI0BAAAAAA%3D%3D%40zeelandnet.nl.
