Patents
What the patent offices held Meyer's claims against. Their examiners chose these, not us, which makes the list a record of how each application was actually judged.
Citation index — what each of Meyer’s filings cites, and every later patent citing it.
5 patents from 1938 · every year
1938 · 5
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US2105614
Method and apparatus for electric dehydration of emulsions
United States · Claudius H M Roberts · PETROLEUM RECTIFYING CO · 18 Jan 1938
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US2106346
Power plant
United States · 25 Jan 1938
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US2109963
Apparatus for supplying gas to internal combustion engines
United States · Alvin H Kruse · 1 Mar 1938
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US2113602
Internal combustion engine
United States · Nathaniel P Pratt · 12 Apr 1938
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US2140254
Device for operating internal combustion engines with mixtures of ammonia, hydrogen, and nitrogen prepared from ammonia
United States · Zavka Mario · Ammonia Casale SA · 13 Dec 1938