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British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 7108197 | Droplet ejector with oscillating tapered aperture A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and second opening. The first opening of each aperture is larger than the sec... | 09/19/2006 |
| 7070351 | Writing instrument with gripping device A gripping element, particularly to writing instruments having a gripping element, which more specifically relates to a marker having a gripping element over a central region thereof. Such positioning of the gripping element facilitates use of the writing instrument... | 07/04/2006 |
| 4986684 | Multiangular pen This invention presents a multiangular pen in which a pen nib is inserted and housed in a pen nib housing hole provided on a pen nib holder sleeve. Further, a push sleeve having a guide hole extending in its longitudinal direction and communicating with t... | 01/22/1991 |
| 4986686 | Multiangular pen A multiangular pen comprising a multiangular pen nib; a pen core having holder pieces fitted the surface of the pen nib and a rod-like connector formed integral to the base end of the holder pieces, said pen core being made by tamping and molding a fibers... | 01/22/1991 |
| 4465391 | Pen nib construction A pen nib construction comprising a pen nib and a holder in which the pen nib is fitted. The pen nib is provided at its pointed end with long splits and short chinks which are disposed alternately and at equal angular distances. The pen nib contains an in... | 08/14/1984 |
| 4347011 | Fountain pen equipped with a resiliency adjustment device A fountain pen in which the resiliency of the pen tip is continuously variable. The pen tip and core are surrounded at their mounting end by a pen core cover. A guide slot is formed in a guide portion of the cover in which is positioned a flexible tongue-... | 08/31/1982 |
