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| Patents Granted on 2001-09-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,286,400 | Sep. 11, 2001 | P. Cassutti, W. Anderson | Electrical Installer Putty-Filled Screw Hole Clearing 10-in-1 Driving Tool | screwdriver mechanisms | |