PRE 14A

Proxy Statement (Preliminary)

Birchtech Corp. Filed 2014-10-17 Acc 0001477932-14-005474

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PRE 14A Proxy Statement (Preliminary) , meec_pre14a.htm

Around this filing

2021-04-16 PRE 14A Proxy Statement (Preliminary)
2014-10-17 PRE 14A Proxy Statement (Preliminary)
2014-10-16 8-K Bylaws or fiscal year change
2006-05-26 PRE 14A Proxy Statement (Preliminary)

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SEC EDGAR (opens in new tab)