Difference between revisions of "patent for projection of light (Q12062)"
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(Created claim: Copy available online (P37): https://patents.google.com/patent/US1864696A/en?oq=us1864696) | (Created claim: Copy available online (P37): https://worldwide.espacenet.com/patent/search/family/010892338/publication/US1864696A?q=GB1864696XA) | ||
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Revision as of 14:42, 1 August 2026
Patent that forms the base of the Strand Stelmar projector
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | patent for projection of light | Patent that forms the base of the Strand Stelmar projector |
Statements
28 June 1928Gregorian
0 references
mentions the original UK patent GB1864696XA·1925-09-10 (English)
0 references