GENEVA, Sept. 18 -- CHOI, Youngwan filed a patent application (US2026/017314) for “RITCHEY–CHRÉTIEN TELESCOPE SYSTEM WITH A MULTI-LENS CORRECTOR”. With publication no. WO/2026/187679, here are the other details related to the patent application:

Kind: Initial Publication without ISR [A2]

IPC: G02B 17/06

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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