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

Icon_funbox Did You Know...

...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Examiner: Zatarga, J. T.


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 575 patents; average approval time: 611 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4616447 Method and apparatus for machining a workpiece ultrasonically
4608784 Work spindle device
4603479 Guide means for manual planing tools
4603607 Pivot connection for slip joint pliers
4602533 Adjustable wrench
4601104 Handheld planer
4599920 Power grip insert
4598478 Sharpener press-button
4598615 Adjustable wrench
4597228 Vacuum suction device
4597314 Bottle opening machine
4597181 Planing tool having a quickly releasable rotary planer head
4594782 Billiard cue tip shaper, scuffer, trimmer and gauge
4593468 Convertible note pad and pencil sharpener
4592255 Ratchet wrench with multiple tools
4592169 Disc grinder with floating grinding wheel
4592256 Combination ratchet and spinner wrench
4590824 Screwdriver
4590837 Saw teeth for hand saws
4589209 Woodworking plane
4589231 Apparatus and process for dry cutting of plastic optical lenses
4587768 Apparatus and method for polishing ends of fiber optics
4586258 Axe
4586293 Method and apparatus for surface treating a workpiece
4586296 Method of finishing the surface of a disc
4586295 Workpiece centerless support device for use in internal grinding ...
4584799 Method of forming a convergent lens in a plate of transparent min...
4584772 Hand-held planing tool with a rotary cutter
4581963 Screw holding device for screwdrivers
4581961 Adjustable screw driver
4581957 Tightening tool for nuts or bolts
4581962 Tool to capture, control and manipulate threaded fasteners
4580344 Collapsible saw
4580469 Tool and spanner wrench
4575969 Grinding machine for punching tools
4575940 Replaceable blade knife
4574529 Apparatus for grinding twist drills
4574528 Apparatus for grinding twist drills
4572259 Planing tool and cutter therefor
4569160 Sand blasting apparatus with liquid aspiration control
 
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