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

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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

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Examiner: Folker, James K.


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 130 patents; average approval time: 574 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5294135 Metal gasket and production method thereof
5288087 Seal for a coupling for protective tubing for electrical cables a...
5284347 Gas bearing sealing means
5280924 Automatic seal depressurization system
5277434 Multiple layer cylinder head gasket
5275423 Spiral wound gasket
5271629 Radial shaft sealing ring
5269536 Sealing device
5269539 Hydraulic shaft seal
5269541 Metal gasket with sealing device with different spring constant
5267736 Sealing apparatus for rotating shafts, in particular stern tube s...
5267737 Magnetic fluid seal containment shield
5267740 Metal head gasket with integrated sealing aids
5267739 Engine compartment seal
5255927 Metal laminate type cylinder head gasket
5255926 Steel laminate gasket
5253877 Piston ring having tapered outwardly extending wiper
5251914 Sealing assembly for relatively movable members
5251912 Radially energized seal
5249813 Sealing ring structure
5249811 Refractory joint packing for an annular gap in a metallurgical ve...
5248154 Bidirectional gasket
5246235 Seal with embedded wire
5240263 Metallic sealing rings and their manufacture
5240261 Steel laminate gasket
5234221 Elastomer seal
5232229 Metal gasket with low heat transmission
5230520 Hydrodynamically lubricated rotary shaft seal having twist resist...
5230521 Metallic laminate gasket with plates of different bead widths fix...
5224714 Noncontacting face seal
5224715 Supported-lip low interference metal stab seal
5222745 RTV-less gasket assembly
5222746 Protective bellows for universal joints allowing rapid installati...
5222743 Mechanical face seal with trapezoidal shaped grooves on a sealing...
5222747 Fitting with overtightening prevention gasket
5221096 Stator and multiple piece seal
5219434 Sealing arrangement for rotating propeller shafts of ships
5217234 Mechanical seal with barrier fluid circulation system
5217237 Bidirectional gasket having water energizing pockets
5217236 O-ring seal of geared-motor
 
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