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.
2 patents from 1913 · every year
1913 · 2
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US1069949
Apparatus for electrically heating water, air, or other medium by means of a heat-magazine.
United States · Charles Ivar Fredrick Haessler · 12 Aug 1913
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US1081098
Solar-heating apparatus.
United States · Marcos De La Garza · 9 Dec 1913