File:Sigismund Danielewicz patent.jpg
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Summary
| Description |
English: The illustration from a patent for a "filtrative inhaler", filed by Sigismund Danielewicz on January 4, 1909 and granted on June 1 of the same year |
| Date | |
| Source | https://patentimages.storage.googleapis.com/28/d1/59/0965b8006c13aa/US923776.pdf |
| Author | Sigismund Danielewicz (patent), artist unknown |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:51, 22 November 2021 | | 2,522 × 3,247 (1.78 MB) | Ezlev | Uploaded a work by Sigismund Danielewicz (patent), artist unknown from https://patentimages.storage.googleapis.com/28/d1/59/0965b8006c13aa/US923776.pdf with UploadWizard |
File usage
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