U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

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Examiner: Karls, Shay L.


Primary examiner statistics: 31 patents; average approval time: 1427 days
Assistant examiner statistics: 8 patents; average approval time: 1195 days

Patents as Primary Examiner

Patent No. Patent Title:
7458126 Applicator for applying a substance to nails
7451520 Wiper blade to clean windshields, in particular of automobiles
7437794 Magnetic scraper
7416384 Electric blower and vacuum cleaner using same
7406738 Thruster pig
7404227 Cleaning sheet
7402211 Cleaning chemical dispensing method
7398575 Electric toothbrush having a flexible drive shaft
7392562 Motor-driven toothbrush and brush head for it
7392563 Probe pin cleaning system
7389559 Mop head including contoured tubular fluid retaining strand eleme...
7386906 Oscillating brushhead attachment system for a personal care appli...
7386912 Expandable cleaning brush
7386913 Cleaning device with releasable, disposable head
7386904 Drive system for electric toothbrushes and the like
7377003 Compactable paintball marker squeegee
7377002 Scrubber box
7373685 Mechanical sweeper configuration
7370384 Combination wedge and notch trowel with reversible grip handle
7367077 Drain cleaning apparatus
7360274 Vacuum cleaner having integral frame assembly and removable main ...
7360271 Apparatus for cleaning a machine tool
7356870 Water pipe cleaning apparatus and method
7343637 Snow tool
7334285 Attachment mechanism with an adapter to a metal mop head to remov...
7334286 Toothbrush and methods of making and using same
7313844 Trash receptacle cleaning product
7313843 Mop with disposable cleaning element
7313838 Powered cleaner/polisher
7310846 Toothbrush and tongue cleaner combination
7310848 Toothbrush provided with an articulated arm bearing a protective ...

Patents as Assistant Examiner

Patent No. Patent Title:
7254861 Device for cleaning tip and side surfaces of a probe
7219386 Holding device and cleaning tool with the holding device
7213290 Hydraulically dynamic mono-pig scraper
7197784 Electric toothbrush
7168120 Pressure-fed vacuum swimming pool cleaning robot
7165285 Appliance for applying lotion with a rotating pad
7162767 Toothbrush and process for producing the same
 
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