"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 5947209 | Ground working implement including a shank and a tip A shank and replaceable tip of a ground working implement are defined from flat plate which is cut by laser or similar or is stamped to provide interconnecting elements between the replaceable tip and the lower end of the shank. At the lower end of the sh... | 09/07/1999 |
| 4618006 | Ripper implement An improved ripper tiller implement is described which utilizes novel shank members including a soil fracturing member on the lower end of the shank. A replaceable shoe member may also be used on the shank.... | 10/21/1986 |
| 4142588 | Lister stabilizer Plowshares and double moldboards which form listers are attached to shanks connected to a toolbar or frame drafted behind a towing vehicle. Rotatable stabilizing discs, or colters, are rigidly affixed to the shanks behind the moldboards and plowshares. Th... | 03/06/1979 |