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Patent Number: |
85185 |
Title: |
Gas-machine |
Issue Date: |
1868-12-22 |
Inventor(s): |
John H. Spang (Dayton, OH) |
Patent Number: |
126587 |
Title: |
Gas, Apparatus for manufacturing illuminating |
Issue Date: |
1872-05-07 |
Inventor(s): |
John H. Spang (Dayton, OH) |
3640 Colonel Glenn Highway, Dayton, Ohio 45435. Phone: 937.775.2525
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Last updated: Fri, May-21-2010
