Friederichs; Norman P. - US Patent Attorneys and Agents

Attorney: Friederichs; Norman P.

Number of patents: 58
Last date: May 16, 2006

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Number	Title	Issue Date
7043883	Door jamb Disclosed is a door jamb having a pair of tubular side jambs and a tubular head jamb, the side jambs and the head jamb each have an outer low maintenance element, an inner structural element, and an intermediate element for receiving a portion of each of the outer a...	05/16/2006
6279167	Cap with a three-dimensional plush animal An article of apparel for a human head in the nature of a cap having a button permanently attached thereto with a three-dimensional plush animal adapted to be removably attached to the cap. The three-dimensional plush animal having a strip of cloth attach...	08/28/2001
4469525	Membrane remover/etchant The present invention relates to a membrane remover/etchant solution including an organic solvent, a strong ionizable acid, a weak acid and an acid stable surfactant. The present invention further includes a method for removing a membrane and etching a co...	09/04/1984
4355435	Surface maintenance equipment The present invention provides surface maintenance equipment, such as for sweeping lawns, which includes mechanism for preventing clogging of ducts leading to the fan and/or the hopper....	10/26/1982
4349864	Lighted plant stand A lighted plant stand (1) for holding a houseplant of the type which hangs or vines downwardly from the plant pot or extends outwardly therefrom. A base (2) adapted for placement on a floor, table or other supporting surface is provided with an upstanding...	09/14/1982
4348783	Scrubbing machine with selective recycle A scrubbing machine is described which may be operated either in a single cycle scrubbing mode or in a recirculating scrubbing mode. The scrubbing machine includes a body structure which is supported on a plurality of wheels. The scrubber has a pair of ta...	09/14/1982
4346494	Brush structure A brush structure is provided including a laminated core of plastic sheet and fiber sheet. A laminated tube of plastic sheet and fiber sheet is also provided in the present invention....	08/31/1982
4345353	Filtering device A sweeping machine is disclosed including a planar pleated filter and a striking mechanism for removing collected dust from the pleated filter. The striking mechanism includes an elongated strap with resilient pad which overlies the pleated filter. A rota...	08/24/1982
4340230	Weighted golf iron A golf club iron is provided including a variable weighting system. The weights are disposed in selected openings in a matrix. A cover secures the weights in place. The cover is in a protected position to the rear of the club head....	07/20/1982
4334335	Scrubber with hydraulic squeegee lift A scrubbing device is provided including a body which is supported on a plurality of wheels which are driven by a hydraulic pump. The scrubbing machine has a squeegee which is hydraulically raised and lowered. The machine is provided with a sensing device...	06/15/1982
4330492	Carburetor An improved carburetor (10) is disclosed and claimed by this application. The carburetor (10) includes an updraft section (16), a crossdraft section (18), and a downdraft section (20). The updraft section (16) includes a mixing chamber (22) in which fuel ...	05/18/1982
4320556	Surface maintenance equipment The present invention provides surface maintenance equipment, such as for sweeping lawns, such equipment including a skirt structure for the debris pickup housing....	03/23/1982
4318514	Netting applicator A machine for applying and retracting a protective covering to agricultural plants is disclosed. The implement (10) is supportively attached by forward and rearward attachment mechanisms (12, 14) to a tractor (16) and movably supported additionally by a c...	03/09/1982
4310944	Surface maintenance machine having air recirculation A powered sweeping machine is disclosed, particularly suitable for efficiently removing light and heavy weight litter from surfaces such as parking lots, warehouse floors and the like. The machine includes a main frame carrying a hopper and a powered brus...	01/19/1982
4299051	Mountable wheel for toy vehicle Disclosed is a demountable wheel suitable for use on toy vehicles. The demountable wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wheel has a second member including a tire which is dem...	11/10/1981
4295244	Scrubbing machine with water regeneration A scrubber is disclosed including an applicator for applying a cleaning solution, a rotary brush for working such solution on the soiled surface and a pick up section for removing the cleaning solution and suspended soilage from the surface being scrubbed...	10/20/1981
4295274	Scarifying machine A scarifying tool is disclosed suitable for use in conjunction with disc floor maintenance machines. The scarifying tool includes a support plate with a plurality of resilient or flexible members attached thereto. The flexible member may be lightweight sp...	10/20/1981
4294485	Window boot A boot is provided which includes a resiliently deformable frame shaped to the respective contours of the rear window aperture of the truck cab and front window aperture in the forward wall of the camper. The opposite end walls of the boot frame terminate...	10/13/1981
4224743	Food dehydrating machine A machine for dehydrating food, as an aid toward preservation of food for extended periods of time. Intake air may be obtained from either the exterior of the machine or a combination of exterior and recycled air. Intake air is electrically heated and pre...	09/30/1980
4222605	Window boot A boot is provided which includes a resiliently deformable frame shaped to the respective contours of the rear window aperture of the truck cab and front window aperture in the forward wall of the camper. The opposite end walls of the boot frame terminate...	09/16/1980
4213803	R₂ Co₁₇ Rare type-earth-cobalt, permanent magnet material and process for producing the same Disclosed is the addition of at least two elements of Nb, V, Ta and Zr to the ternary alloy of R (rare earth)-Co-Cu for permanent magnet materials, to thereby provide the permanent magnets with increased coercive force, residual magnetization and energy p...	07/22/1980
4210471	Permanent magnet material and process for producing the same Disclosed is the addition of Nb, V, Ta or Zr to the ternary alloy of R (rare earth)-Co-Cu for permanent magnet materials, to thereby provide the permanent magnets with increased coercive force, residual magnetization and energy product. The additional ele...	07/01/1980
4206817	Scraper blade mechanism for double disc Seed sowing equipment is disclosed including a pair of cooperating disc blades mounted for rotation on an axle. A scraper is provided for cooperation with each of such blades for preventing the accumulation of soil on the inward side of such disc blades. ...	06/10/1980
4206530	Surface maintenance machine having air recirculation A powered sweeping machine is disclosed, particularly suitable for efficiently removing light and heavy weight litter from surfaces such as parking lots, warehouse floors and the like. The machine includes a main frame carrying a hopper and a powered brus...	06/10/1980
4194263	Scrubbing machine with water regeneration A scrubber is disclosed including an applicator for applying a cleaning solution, a rotary brush for working such solution on the soiled surface and a pick up section for removing the cleaning solution and suspended soilage from the surface being scrubbed...	03/25/1980
4193639	Mountable wheel for toy vehicle A wheel suitable for use on toy vehicles. The wheel has a tire which is mountable and demountable with respect to such toy vehicle. The wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wh...	03/18/1980
4192081	Food dehydrating machine A machine for dehydrating food, as an aid toward preservation of food for extended periods of time. Intake air may be obtained from either the exterior of the machine or a combination of exterior and recycled air. Intake air is electrically heated and pre...	03/11/1980
4190965	Food dehydrator A cylindrically shaped food dehydrator is disclosed including a base member, a plurality of stackable trays and a top member. The base member has a blower for moving air through the trays. The air flow in the trays moves from the circumference of the tray...	03/04/1980
4187636	Camping trailer The toy camping trailer includes a trailer box supported on a pair of wheels. The trailer has a two-piece pivotal top which may be collapsed to a travel position or raised to a camping use position. One top piece may include an open zone to permit access ...	02/12/1980
4173840	Turret toy vehicle A toy fire engine is disclosed including a body, wheel and axle assembly, aerial ladder, ladder support and loose ladder. The ladder support may include a turret for pivotal support of the ladder about a vertical axis. The fire engine body may include a l...	11/13/1979
4173095	Toy vehicle A toy vehicle is disclosed which may resemble a jeep. The toy vehicle may include a chassis, an inside compartment, wheels and a top. The inside compartment may have seats, wall panels and a floor. The compartment may serve to enclose various raw edges of...	11/06/1979
4173056	Scrubbing machine with tracking squeegee A scrubbing machine is provided including a vacuum squeegee water pickup system. The machine is supported on a pair of drive wheels and a pair of pivotable wheels or casters. The squeegee is drawn by a principal arm and the location of the squeegee is con...	11/06/1979
4151949	Signal device A signal device is disclosed suitable for mounting upon a mailbox to indicate incoming or outgoing mail. The signal device includes a pocket and a pair of flags mounted on either end of a pivotal arm. The flags are adapted for alternate exposure or for co...	05/01/1979
4149560	Brake bleeder valve A one-way valve is provided which may be releasibly attached to a wheel brake cylinder of an automobile for bleeding the brake system of any air existing in such system. The bleeder valve has a quick disconnect which may be snapped over the bleeder outlet...	04/17/1979
4146279	Boat seat cooler Disclosed is a cooler including a pair of laterally spaced storage compartments interconnected at their upper portions by an intermediate planar member. Each compartment may include a closure such as a pivotal door. The cooler may have an additional remov...	03/27/1979
4141166	Gun safety device A firearm is disclosed including a safety mechanism having sensing of engagement of the firearm butt with an operator's shoulder and sensing of engagement of the operator's hand at the firearm stock....	02/27/1979
4132043	Structural units A precast concrete structural unit is provided including a concrete sub-unit and a plastic resinous sheet. The sheet is adhered to the sub-unit at the time of pouring the concrete utilizing contact adhesive, preferably polychloroprene cement. The structur...	01/02/1979
4130968	Mechanism for controlling movements of a tool A mechanism is provided for controlling movements of the tool of a machine tool. The mechanism includes a fixed template and a template follower which is automatically pressed against the template. The template and follower are housed independently of and...	12/26/1978
4130963	Running toy with a flywheel The running toy with a flywheel of the invention has a toy driving unit to form a first transmission path with a first gear ratio to energize and rotate the flywheel at a high speed when driving wheels are rubbed against a floor for drive, and a second tr...	12/26/1978
4128981	Burial vault A burial vault is provided including concrete wall portions and a plastic resinous liner. The liner is adhered to the wall portions, at the time of pouring the concrete, utilizing contact adhesive preferably polychloroprene cement. The vault may include a...	12/12/1978

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Attorney: Friederichs; Norman P.