British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 6536976 | Writing instrument The object is to provide a writing instrument in which a large-diametric ink retaining portion with narrow grooves in width and still capable of securing a large enough air channel can be formed so that the replacement of the sufficient amount of air can ... | 03/25/2003 |
| 6247866 | Feeding ducts for writing liquids in fountain pen nibs, and a method of producing same A feeding duct for writing liquid in fountain pen nibs and method of producing same, wherein the duct includes a substantially cylindrical element having multiple circumferential grooves creating respective fins, of a support for a nib and a connecting ma... | 06/19/2001 |
| 5927886 | Direct ink storaging type writing implement A longitudinal groove which allows a number of annular grooves formed on the outer peripheral surface of an ink storage body to communicate with an ink chamber is cut halfway into the thickness of a flange formed at the rear part of the ink storage body. ... | 07/27/1999 |