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

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Six-year-old Robert W. Patch granted a patent for a "toy truck".

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Examiner: Silverberg, Fred A.


Primary examiner statistics: 478 patents; average approval time: 684 days
Assistant examiner statistics: 495 patents; average approval time: 696 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
5007134 Removable hinge at specific angular orientation
4984331 Door holder including a removable cam
4907736 Method of forming articles
4881293 Wedge member for use on carpeted floors
4876765 Door apparatus with magnetic support
4864684 Self-attaching panel connector for tubing/hoses
4864685 One piece hospitality stair bracket for rugs
4864688 Hinge having varied height offset leafs
4862554 Safstrap
4858273 Door stop having multiple mounting positions
4856698 Installation for automatic assembly of components and, in particu...
4854008 Detachable castor support for a baby carriage
4854007 Dust-proof caster with a brake mechanism
4854009 Unhingeable door hinge for motor vehicle doors having a hinge pin...
4850079 Fatigue-reducing handle grip and handle attachment for same
4850081 Variable friction hinge
4850082 Easel hinge having a wedging action stop
4847950 Self retained axle pin assembly for shear application
4847945 Dismantlable wheel attachment mechanism with swivel joint protect...
4847949 Lid support for food warming vessels
4847948 Hinge for connecting two relatively movable furniture components
4845811 Automatic door closer having an adjustable torsion spring and con...
4845807 Flashing bracket
4845809 Leaf spring biased position retentive hinge assembly
4846249 Window shade carrier and carrier assembly
4843676 Clip for installing carpet fixing strip
4843675 Two piece removable-curtain grommet
4843679 X-hinge having the bendable strip ends crimped between two plates
4843681 Spring loaded hinge
4841600 Door check and stop
4841597 Interchangeable hand tool and handle therefor
4841596 Handle with shaped recesses to support flimsy bag straps
4839940 Rapidcy mountable furniture hinge with snap closure
4839938 Furniture having wheel axles concealed on one side
4839941 Elevating and traversing hood hinge
4839939 Security hinge with improved structural integrity with the electr...
4837890 Door closer having arm/slide track connection
4837893 Having an overfolded spring biased, adjustably positioned leaf
4837894 Spring biased arm snap-toggle hinge
4835815 Caster with blocking device and depressible releasing member for ...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4426752 Rotor movement damping device
4405073 Stapler with stapler storage space
4394952 Adjustable deck board feeder for automatic pallet nailing apparat...
4394981 Apparatus for dispersing finely divided solid particles in a liqu...
4392599 Drawer building system having fastening guns
4391020 Gravity return hinge having an axle rod in an axle sleeve
4390047 Tool for strap tensioning and cutting
4384684 Apparatus and method for autogenous grinding by countercurrent fl...
4384669 26D Stitcher head adapated for use on 18D stitching machines
4383579 Shock actuated fire prevention system for automobiles
4383559 Apparatus for transferring coils or bundles of rod or wire
4382312 Multiposition hood hinge mechanism
4381579 Handle for a hand-held device
4381578 Curtain rod having tension mounting mechanism
4381121 Human reproduction indexing device
4380269 Quick release fire hose cabinet
4378822 Spiral binding machine for spirally feeding a spiral binding elem...
4378085 Stapler apparatus having a mechanism for bending and cutting stap...
4376504 Machine for attaching buttons having shanks to an article in a co...
4375866 Skin clip applier
4373655 Component mask for printed circuit boards and method of use there...
4373679 Impact type crusher
4373651 Method and apparatus assembling and nailing boards together
4373825 Looseleaf page lifter
4373652 Apparatus for end-plating elongate members such as railroad ties
4372350 Machine for the automatic production of welded lattice girders
4371013 Methods of straightening backplane-supported pins
4371108 Methods of manufacturing large tubular columns
4370770 Cutting head for thread cutting machines
4369911 Method of making a gas-tight connection between a corrugated high...
4369819 Lead wire forming apparatus for electric parts
4369907 Punching and riveting machine
4368832 Fluid dispensing valve having a deformable diaphragm
4368782 On/off sprinkler head with temperature responsive exhaust port va...
4368839 Fastener applying device having a plurality of sliders
4367574 Fluorescent tube holder
4367778 Nail driver accessor having a nail holder mechanism
4366924 Stapler having an abutment for limiting stapler repenetration
4366920 Demand preparation soluble coffee urn
4365736 Method of manufacturing high stability joint
 
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