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Attorney: Wessendorf, Jr.; Walter F.


Number of patents: 81
Last date: September 22, 1998

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NumberTitleIssue Date
5809847Method of making anvil
A solid-steel anvil of symmetrical configuration, having a top head, depending intermediate web and a base, and with the anvil being of light weight that a person can manipulatively grasp the anvil's top head with one hand to easily carry the anvil with h...
09/22/1998
5732591Anvil and method of making same
A solid-steel anvil of symmetrical configuration, having a top head, depending intermediate web and a base, and with the anvil being of light weight that a person can manipulatively grasp the anvil's top head with one hand to easily carry the anvil with h...
03/31/1998
5440853Roller cover storing method
Method of storing a wet-paint roller cover within a cylindrical tube having open distal and proximal ends; and sealing the open distal and proximal ends of the cylindrical tube by respective distal and proximal end caps....
08/15/1995
5433610Educational device for children
An educational device for children to accelerate learning from recognition, language acquisition, awareness of cause and effect, and association. The device houses discrete photos environmentally people, animals and/or inanimate objects, recognizable to t...
07/18/1995
5417353Mower caddy
A mower caddy is adjustably and releasably attached to the lateral arms and handle of a lawn mower, such that the mower caddy, structurally, does not physically interfere with the operator's operations of or in connection with the lawn mower. The structur...
05/23/1995
5413537Positive drive system
A positive drive system has drive and driven sprockets, coupled by a chain. The chain is trained around and operatively engages the drive and driven sprockets to transmit positive drive therebetween. The drive and driven sprockets have infinite relative p...
05/09/1995
5371920Safety system of roll guards
A safety system of roll guards protecting an anesthesia machine's wheel assemblies from being obstructed or snagged by objects lying upon a floor surface or dangling above the floor surface that are in the path of movement. Each roll guard is loosely conn...
12/13/1994
5333867Ball-driving device
A ball-driving device has an elongated handle in adjustable and lockable relative relationship with a chassis mounting one wheel inboard of the chassis, and, in a modification thereof, two wheels outboard of the chassis for greater stability. The distal p...
08/02/1994
5154265Retractable wheel assembly
A retractable wheel assembly, housed in an inverted well, has an elongated arm mounting wheels, is pivotally mounted in the well and is pivotally movable manually between a retracted position by which the arm is releasably locked interiorly of the inverte...
10/13/1992
5149299Room-air interceptor device
A stairwell, in a split or multi level home provides access to and air communication with lower-level, mid-level and upper-level rooms, resulting in a chimney effect of continuously drawing higher temperature and highest temperature room air from the lowe...
09/22/1992
5140719Vehicle window cleaning device
The vehicle window cleaning device replaces the windshield wipers. The device employs two electrically powered high-speed blowers, with high-impact exhaust air ducted to air nozzles to clear rainwater, water, moisture, debris and loose powder snow from th...
08/25/1992
5141348Paste wax applicator
A paste wax applicator has a handle carried proximally on an elongated housing, allowing a human operator to remain in a non-fatiguing upright position by having one of his hands hold the handle and the other cradle the elongated housing, while applying t...
08/25/1992
5131589Humidifier
A room humidifier in combination with a source of potable water and a source of heated fluidic material, such as a room hot water radiator, room steam radiator, room baseboard convector, remote steam boiler or remote hot water boiler. Potable water from i...
07/21/1992
5117780Combined portable animal waste and training device
A combined portable animal waste and training device whereby a pet's owner, by means of the device's training structure, can induce, teach and train the pet to eliminate its urine and feces upon the device's animal waste structure being operatively emplac...
06/02/1992
5097563Vehicle window cleaning device
The vehicle window cleaning device totally replaces the windshield wiper system. A combined housing houses an electrically powered blower and heater. The housing is ducted to air nozzles disposed below the windshield's bottom. Blower-forced air from the h...
03/24/1992
5054264Easy tear straw cover
A removable straw cover that is sterile in combination with a sterile drinking straw protects the drinking straw against bacterial contamination. A line of circumferential indentations separates the straw cover into a upper proximal portion and a remainin...
10/08/1991
5027451Portable animal waste device
A portable animal waste device for use in conjunction with a standard household commode is described. A support structure, mounting a pivoting platform and emplaced over a toilet bowl, is connected to the toilet's flush mechanism. The platform pivots betw...
07/02/1991
5022104Shower curtain support
A shower curtain support has a shower curtain rod mounted by opposing wall brackets on parallel end walls of a shower stall. The rod slidably suspends a conventional shower curtain across the front opening of the shower stall. Spiders on the terminal ends...
06/11/1991
4996949Disposable dog diaper
A disposable dog diaper for removable emplacement and securement circumferentially about a dog's rear torso and his inguinal region. A lower body sheet and upper body wrapper, together with contact adhesive portions, allow such wrap-around emplacement and...
03/05/1991
4993761Positive lock for sliding closure
A removable elongated positive lock for a sliding closure unit having fixed vertical framing structures and a sill mounting a fixed door and a sliding door movable to open and closed positions, with each of the fixed and sliding doors having oppositely di...
02/19/1991
4995009Castable fish/depth finder
The castable fish/depth finder has a display unit, rod and reel, transducer and conductors establishing electrical continuity from the display unit to the rod and reel, and therefrom to the transducer. The conductor from the rod and reel to the transducer...
02/19/1991
4990313Ultraviolet device
A switch-controlled, ballasted, low-frequency, ultraviolet device mounted inline in an air-return system of an air-conditioning unit to resupply return air. The air-return system has an upstream filter and downstream cooling coil, drain pan and blower fan...
02/05/1991
4981134Filtering face mask with inhalation/exhalation check valves
A respirator comprising an assembly of an outer housing member and an inner housing member which sandwich therebetween a filter and valve assembly that functions to allow the use to inspire purified and filtered outside air....
01/01/1991
4967965Two-head shower arm
A two-head shower arm has upstream and downstream pipe portion discharge ends, with the downstream pipe portion discharge end spraying shower water vertically above the upstream pipe portion discharge end. The downstream pipe portion discharge end covers ...
11/06/1990
4960514Skimming apparatus for a swimming pool
Apparatus comprising a base member fixed to a swimming pool wall in operative proximity to a skimmer inlet opening and having a permanent magnet plate embedded therein, and a bracket member having an iron plate embedded therein. An elongated deflector, ca...
10/02/1990
4949659Container/bulk cargo interchangeable system
A container/bulk cargo interchangeable system to allow a cargo ship's hold the versatility and option of storing and carrying either ISO containers entirely, or of storing and carrying bulk cargo or break bulk entirely, or of storing and carrying a combin...
08/21/1990
4937884Expandable shirt collar
A shirt whose collar has an internal portion interfacing with an external turned-down collar portion. The internal interfacing portion and external turned-down portion are separated by a common elastic insert joined thereto and said elastic insert allows ...
07/03/1990
4890842Board game apparatus
A high-risk racing game in which two to six players own racing cars represented by their pawns which they race along routes of enumerated spaces through the United States, Canada and Mexico on a gameboard. Players are given the cars, or purchase them outr...
01/02/1990
4865254Two-head shower arm
A two-head shower arm, of integral, one-piece construction, having a rectilinear, straight pipe and upstream and downstream depending pipe portions, all having the same inside diameters and possessing the inherent and self-contained functional attributes ...
09/12/1989
4863591Inline filter
An inline filter comprises transparent upstream and downstream halves defining truncated hollow right-circular cones whose flanged lower bases sandwich therebetween a concentric brass filter screen fixedly carried by the flanged lower bases joined togethe...
09/05/1989
4835798Basket sink strainer centering tool
A centering tool for disposing and maintaining a basket sink strainer in concentric and superposed parallel relationships with respect to a sink drain hole for subsequent assembled securement of the sink strainer. The centering tool comprises a tubular sp...
06/06/1989
4823788Demand oxygen controller and respiratory monitor
An improved method and apparatus for controlling the flow of any breathing gas such as oxygen through a cannula or "mask" to a person (patient, aviator, baby, miner, or diver) can be limited to the portion of the breathing cycle when the person breathes i...
04/25/1989
4819964Combination book jacket cover
A combination book jacket cover is removably secured to a book via transparent jacket-tapes to project the book and to prevent the book's hard covers from pulling out of the jacket cover's end flaps upon the book's back or spine being flexed, or from slid...
04/11/1989
4798399Combination safety cage for all terrain vehicle
A combination safety cage, for use with an all terrain vehicle (ATV), and whose superstructure has side and head rails, wheel guards, horizontal rails, top overhead rails, rear horizontal rails and laterally projecting rails of tubular construction and wi...
01/17/1989
4796986Combination safety glasses
Combination safety glasses having frame lens openings fitted with non-correcting safety lenses. Raised portions from the rear of said frame lens openings are of integral, one-piece construction therewith. The raised portions have guide recesses that recei...
01/10/1989
4785376Utility pedestal construction
A utility pedestal primarily designed as a marina power pedestal but useful in connection with recreational vehicles and other power consuming units. Twin half shell housing members joined by an anodized aluminum strip closure member forms an upper pedest...
11/15/1988
4686036Device for ozonizing a fluid
Disclosed is a device comprising an ozonizer (1) in the first region (1') of which container (1) ozone is formed which is dispersed into fluid by a gas feed organ (3). The thusly formed two-phase mixture flows through a second region (1") of the ozonizer ...
08/11/1987
4678003Safety cap for valve on high-pressure cylinder
A safety cap for protecting against damage and tampering the shut-off valve of a high-pressure gas cylinder. The safety cap has a female threaded base bracket which is engaged with the male-threaded neck ring of the gas cylinder. Hinges carried by the bas...
07/07/1987
4648612Golf cart
A golf cart having a golf bag for carrying golf clubs. A backbone plate, two L-shaped reinforcing angles and saddle arms are assembled and disposed on the inside of the golf bag. Washer plates are disposed on the outside surface of the golf bag along with...
03/10/1987
4648509Tamper-proof package and method
Discloses a tamper-proof package for an article. A first container in which the article is placed has a sealed end flap whose opening indicates tampering. The first container is cellophane-wrapped with a tear strip whose tearing open of which indicates ta...
03/10/1987
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