Title: |
1892 Ad-William Powell Co., Compression Grease Cup |
Source: |
The Age of Steel, V71, 09 Jan., 1892, pg. 30 |
Insert Date: |
3/5/2025 3:01:06 AM |
US Patent: 332,623
https://www.datamp.org/patents/displayPatent.php?number=332623&typeCode=0 |
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1892 William Powell Co., Compression Grease Cup
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