Displaying results 21 of 23 - 23
| Date Sort descending | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 1869 | Rumford Baking Powder | Rumford | RI | USA | ACS |
| 1869 | Mount Washington Cog Railway | Coos County | NH | USA | ASME |
| 2007 | H.L. Hunley Submarine | Charleston | SC | USA | ASM |
