Cover roiannual21.htm report ROI_annual21.htm April 29, 2022 Securities and Exchange Commission RE: Red Oak Instruments, LLC Filing 2021 Annual Report on EDGAR Dear Sir or Madam: Enclosed herewith by EDGAR transmission is the Red Oak Instruments, LLC Annual Report for 2021. The financial statements included in the annual report do not reflect a change from the preceding year in any accounting principles or practices, or in the method of applying any such principles or practices. Sincerely, /s/ William C. Paske William C. Paske CTO Red Oak Instruments, LLC
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C-AR Filing
RedOak Instruments C-AR2021 FY Annual report (crowdfunding)
Filed: 6 May 22, 3:49pm