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

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...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

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Examiner: Schran, Donald R.


Primary examiner statistics: 1333 patents; average approval time: 679 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4951537 Apparatus for producing a blank from stock material
4941378 Method and apparatus for rapid repetitive cutting
4934238 Device for clamping a circular saw blade
4934229 Marking station for timber
4934230 Die stamping system
4928562 Film perforator
4926733 Saw blade tensioning arrangement
4920845 Miter box for portable circular saw
4916992 Apparatus for cutting laminated sheet material
4916991 Device for punching and longitudinal cutting of a web processed i...
4915000 Cutting machine
4914995 Rotary cutting apparatus
4914990 Apparatus for trimming flanged cans
4913017 Meat cutting device
4913022 Circular saw blade
4911045 Decorative form hydraulic food product cutting blade assembly
4909115 Apparatus for loading a band saw blade
4908931 Apparatus for cutting a lead
4907482 Guide for hand held power saws
4907479 Apparatus for cutting laminated sheet material
4905556 Blanking press
4903561 Inclinable blade band saw
4903562 Bale cutting chain
4898057 Low vibration center drive cutter chain
4896575 Sawchain
4896573 Apparatus for removing scrap from a die cylinder
4893535 Slot-punching device
4890525 Slicing and storage box
4890390 Sword blade
4890385 Automatic feed system for a tube cutter
4887502 Machine for slitting metal sheet
4887757 Fixation stake for benthic barrier
4887357 Articulated endless-band saw blade and support therefor
4886188 Combination manual or impact drive enhancement of portable inject...
4884484 Strip retainer and stripper for stamping and forming machine
4884485 Plate cutting device capable of being used to cut a plate along a...
4883213 Explosive diving tool apparatus with improved extractor
4883211 Explosive powder charge operated fastening element setting device
4882962 Angularly adjustable band saw
4883212 Explosive powder charge operated setting device

Patents as Assistant Examiner

Patent No. Patent Title:
No patents.
 
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