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Lai; David
South San Francisco, CA
No. of patents:

Patent Number Title Of Patent Date Issued
7743706 Bullet cleaner for a gun barrel June 29, 2010
A bullet for cleaning/scouring the interior surface of a gun barrel including a jacket section on a rear end and joined to a projectile section on the other end forming a chamber containing a cleaning liquid. An array of brushes is positioned on the outside surface of the forward wal
6845541 Shoe last rack January 25, 2005
A shoe last and a device for detachably mounting the last on a vertical surface that firmly supports the last permitting a user to conveniently polish a shoe mounted on the last. A knob is mounted on the heel section of the last that provides a grip when it is desired to withdraw the las
6253586 Apparatus and method for processing fabric July 3, 2001
An apparatus for a large throughput fabric processing operation including a conveyor belt passing under a row of washers and having an extraction (spinning) apparatus at the end of the belt. The production line involves top loading each washer as required and dumping the batches of fabri

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