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Expired
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Carl Koenig
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Individual
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Individual
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Publication of GB189823905ApublicationCriticalpatent/GB189823905A/en
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Dental Tools And Instruments Or Auxiliary Dental Instruments
(AREA)
Abstract
23,905. Koenig, C. Nov. 12. Combination tools.-A reversible screwdriver 8 with a blade 9, 10 at each end is fixed by a screw 7 to the sliding jaw 3 of a spanner, and slides in a dovetailed groove 6 in the stem 1. The jaw 3 is adjusted by an endless screw 4 engaging with teeth 5 on the stem.
GB189823905D1898-11-121898-11-12Combines Universal Screw-wrench and Adjustable Turn-screw.
ExpiredGB189823905A
(en)