Revision history of "Patent for a Spot and floodlight projector apparatus by Joseph Levy, 1937" (Q31797)

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curprev 11:30, 23 July 2023‎ ChrisVG talk contribs‎ 3,640 bytes +421‎ ‎Created claim: mentions (P78): leko (Q3128)
curprev 11:30, 23 July 2023‎ ChrisVG talk contribs‎ 3,219 bytes +348‎ ‎Created claim: Backup document (P74): US2076240.pdf
curprev 11:28, 23 July 2023‎ ChrisVG talk contribs‎ 2,871 bytes +512‎ ‎Created claim: Publication date (P40): 6 April 1937
curprev 11:28, 23 July 2023‎ ChrisVG talk contribs‎ 2,359 bytes +380‎ ‎Created claim: Copy available online (P37): https://patents.google.com/patent/US2076240A/
curprev 11:27, 23 July 2023‎ ChrisVG talk contribs‎ 1,979 bytes -16‎ ‎Changed [en] label: Patent for a Spot and floodlight projector apparatus by Joseph Levy, 1937
curprev 11:27, 23 July 2023‎ ChrisVG talk contribs‎ 1,995 bytes +423‎ ‎Created claim: author (P41): Joseph Levy (Q31180)
curprev 11:26, 23 July 2023‎ ChrisVG talk contribs‎ 1,572 bytes +415‎ ‎Created claim: Field (P19): lighting and projection (Q7)
curprev 11:26, 23 July 2023‎ ChrisVG talk contribs‎ 1,157 bytes +772‎ ‎Created claim: Type of information (P11): source (Q98)
curprev 11:26, 23 July 2023‎ ChrisVG talk contribs‎ 385 bytes +385‎ ‎Created a new Item: Patent for a Spot and floodlight projector apparatus by Joseph Levy and Edward Kook, 1937, the patent of the Leko

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Revision history of "Patent for a Spot and floodlight projector apparatus by Joseph Levy, 1937" (Q31797)

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