Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 2,704,479 http://www.datamp.org/patents/displayPatent.php?id=47733&pn=2,704,479 Slidable Jaw, Ratchet-Operated Wrench Having A Detachably Pivotally Adjustable Handle Patentee: Ted Stang - Rockford IL Granted:1955-03-22
Manufactured by Tedd Products Co. - Rockford IL

The key element of the patent is a ratchet connection between the handle and the frame holding the adjustable jaw. This allows for adjusting the angle between the head and handle to enable the wrench to operate in locations difficult of access. A known example uses the simpler of the alternate ratchet forms described in the patent. Tedd Products Co., Rockford, IL marketed this as the HANDI-FLEX wrench. The patents cited as references includes the early Meader ratchet -- nos. 45,931, 525,683, 525,684, 1,564,838, 1,650,085, 1,724,491 and 1,944,171.
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US Patent: 716,019 http://www.datamp.org/patents/displayPatent.php?id=61295&pn=716,019 Power Hammer Patentee: Heinrich Feldhus - Hallam, Lancaster County NE Granted:1902-12-16
Manufactured by H. Feldhus - Hallam, Lancaster County NE


This is one of 60,837 patents currently in the database at datamp.org

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US Patent: 147,654 http://www.datamp.org/patents/displayPatent.php?id=61294&pn=147,654 Screw Driver Patentee: Sylvanus R. Kneeland - Charlsetown MA Granted:1874-02-17

This Patent is an improvement of Patent145506, Its for a sleeve that keeps the screwdriver from slipping off the screw and damaging the surface that the screw is being driven into.
This is one of 60,837 patents currently in the database at datamp.org

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US Patent: 145,506 http://www.datamp.org/patents/displayPatent.php?id=61293&pn=145,506 Screw Driver Patentee: Sylvanus R. Kneeland - Charlsetown MA Granted:1873-12-16

This Patent is for a spring loaded sleeve on a screwdriver, which prevents the screwdriver from slipping off the screw and damaging the surface of the item the screw is being driven into,IE: a piano,or cabinet. Patent 147654 is an improvement of this patent.
This is one of 60,837 patents currently in the database at datamp.org

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US Patent: 705,730 http://www.datamp.org/patents/displayPatent.php?id=61292&pn=705,730 Balanced slide-valve Patentee: John T. Wilson - Jersey Shore PA Granted:1902-07-29


This is one of 60,837 patents currently in the database at datamp.org

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