Inventor · disambiguated record
Nikolai N. Koptyazhin
Also filed as: KOPTYAZHIN NIKOLAI NIKOLAEVICH · LEZGINTSEV GEORGY M
2 granted patents·44 citations·filing 1976–1977
64Inventor score
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2 records- 0164US4155491AArrangement for transporting solid materials from the bottom of basinsBELYAVSKY MIKHAIL A·Filed 1977·Granted May 22, 1979·19 cites·8 claims
- 0255US4116069ADevice for taking bottom soil samples from deep water basinsLEZGINTSEV GEORGY MIKHAILOVICH·Filed 1976·Granted Sep 26, 1978·25 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →