US Patent: 6,378,407
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| Multiblade Screwdriver
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Patentee:
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| Emerson Purkapile (exact or similar names) - Scottsdale, AZ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 30, 2000 |
| Granted: |
Apr. 30, 2002 |
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Stan Schulz
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Description: |
| Fitch, Even, Tabin & Flannery - patent attorneys
Abstract
A hand-held screwdriver assembly having interchangeable blades which are held within a hollow handle and are available to be selected and moved through a cross-slot in a cap assembly on the handle to a stop position, and then to be secured in a chuck for use. Rotation of the cap assembly is prevented when the blade is secured in the chuck, thus precluding the introduction of a second blade into the cross-slot.
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