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

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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!

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Examiner: Lovercheck, Dale


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 49 patents; average approval time: 662 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4043875 Two-step flash technique for vaporizing radioactive liquids
4013414 Indicator dye
4012289 N-Butane/acetone separation using sulfolane
4012195 Catalyzed hydrazine compound corrosion inhibiting composition and...
4004983 Coke oven battery
4003708 Automatic photometric analyzer
4002489 Method of pickling metallic material
3996113 Extractive distillation with furfural and alicyclic ketone solven...
3994686 Helical bifilar wound ultra-violet sterilization for tube shaped ...
3993547 Alpha, gamma-bis-diphenylene-beta-phenyl allyl as a polymerizatio...
3993443 Noxious vapor suppression using glass microbubbles with a fluoros...
3993444 Intermittent time controlled vapor dispensing device
3992148 Heat treatment of particulate solid material
3992147 Process for sterilizing psyllium seed husk using aqueous isopropa...
3992149 Colorimetric method for the analysis of residual anionic or catio...
3991171 Dehydration of aluminum fluoride hydrates
3990848 System for inducing air flow past a gel type product
3988112 Nozzle sterilizer providing outer and inner annular concentric co...
3985627 Device for magnetic lifting and removal of the feed opening cover...
3982899 Fluid handling apparatus
3983362 Manual switching means for contact lens disinfecting apparatus
3981683 Temperature responsive sterility indicator
3981780 Compositions for inhibiting the corrosion of metals
3981741 Fibrous cleaning materials impregnated with a latex-mixture
3976429 Backwash system for diluting apparatus
3975343 Solubilization of protein with ethanol-acetonitril-water solvent ...
3972678 Apparatus for controlling odors
3971629 Retorting tray
3970426 Method and apparatus for the presterilization of packing machines
3969076 Method for the analysis of ionic surfactants
3966408 Sterilant immersion container with cover actuated tray
3966407 Air sterilizing compressor system
3964874 Continuous reactor for viscous materials
3963514 Removal of excess metal from the welding seam in the interior of ...
3963438 Method of sterilizing a fiberoptic proctoscope
3961893 Steam disinfector for contact lenses
3958945 Sparging device
3956011 Method for cleaning disposable suction catheters
3955932 Inert gas generator
3954499 Method and apparatus for removing dew from a green
 
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