US Patent 7452262 Knife sharpeners with improved knife guides
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Patent Inventor Names
Daniel D. Friel, Sr.0
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Patent abstract
Various forms of knife guides are provided for knife sharpeners to minimize damage to the knife blade. One of the forms of knife guides comprises non-contact optical arrangements which includes a light source, at least one light detector and an indicator that monitors and displays the intensity of light reflected from the blade surface.
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US Patent 07452262 Knife sharpeners with improved knife guides US Patent 7452262 Knife sharpeners with improved knife guides
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Patent Number
074522620
Patent Number
74522620
Edits on 20 May, 2023
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Official Website
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Patent Jurisdiction
Patent Number
074522620
Date of Patent
November 18, 2008
0Patent Application Number
120311430
Date Filed
February 14, 2008
0Official Website
Patent Primary Examiner
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US Patent 07452262 Knife sharpeners with improved knife guides
Infobox
Is a
Patent jurisdiction
Patent number
07452262
Date of patent
November 18, 2008
Patent application number
12031143
Date Filed
February 14, 2008
Patent primary examiner
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