U.S. patent number D447,748 [Application Number D/122,514] was granted by the patent office on 2001-09-11 for trackball. This patent grant is currently assigned to Logitech Europe S.A.. Invention is credited to Cathal Loughnane, Brian Stephens.
United States Patent | D447,748 |
Loughnane , et al. | September 11, 2001 |
Inventors: | Loughnane; Cathal (County Tipperary, IE), Stephens; Brian (County Dublin, IE) |
---|---|
Assignee: | Logitech Europe S.A.
(Ramanel-sur Morges, CH) |
Appl. No.: | D/122,514 |
Filed: | April 28, 2000 |
Current U.S. Class: | D14/417 |
Current International Class: | 1402 |
Field of Search: | ;D14/402-17 ;D13/158 ;D21/324-33,385 ;200/5R,5A,6R,6A ;273/148B ;345/156-67 ;74/471XY ;463/36-47 |
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D431037 | September 2000 | Varga et al. |
D432128 | October 2000 | Von Ilberg et al. |
D438211 | February 2001 | Jones et al. |
D439453 | March 2001 | Sheehan et al. |
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