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Patent Number: |
79949 |
Title: |
Pump for hydraulic presses, Force |
Issue Date: |
1868-07-14 |
Inventor(s): |
W. P. Callahan (Dayton, OH) |
Patent Number: |
98921 |
Title: |
Cotton-seed huller |
Issue Date: |
1870-01-18 |
Inventor(s): |
W. P. Callahan (Dayton, OH), D. R. De Rush (Dayton, OH) |
Notes: |
Munn and Co., attorneys |
3640 Colonel Glenn Highway, Dayton, Ohio 45435. Phone: 937.775.2525
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Last updated: Fri, May-21-2010
