Patents
Patents filed since that cite Meyer's. Most are other people's work, and an examiner chose many of them during prosecution rather than the applicant volunteering them.
Citation index — what each of Meyer’s filings cites, and every later patent citing it.
4 patents from 2004 · every year
2004 · 4
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RU2232829C1
Device for production of hydrogen and oxygen
Russia · 20 Jul 2004 · indexed, no text held
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RU2228390C1
Device for producing heat energy, hydrogen, and oxygen
Russia · 10 May 2004 · indexed, no text held
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RU2227817C1
Electrolytic cell of low-ampere electrolyzer for production of hydrogen and oxygen from water
Russia · 27 Apr 2004 · indexed, no text held
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RU2225515C2
Electric heating device
Russia · С.П. Меньшиков · 10 Mar 2004