File:Lubbers Patent No. 702013 from 1902.JPG
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| Description |
English: Drawing from 1902 glass making patent by John H. Lubbers |
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| Source | U.S. Patent Office |
| Author | U.S. Patent Office |
The Lubbers glass blowing machine gave American Window Glass Company a technological advantage during the early 20th century.
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:56, 7 April 2013 | | 532 × 786 (87 KB) | TwoScarsUp (talk | contribs) | User created page with UploadWizard |
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