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| Number | Title | Issue Date |
| 6379109 | Method and apparatus for detecting and removing obstructions in mechanical aerators Because mechanical aerators are located in a pond of liquid and, therefore, not subject to convenient visual monitoring by operations personnel, it is desirable to have a method for automatically detecting and dislodging debris which become caught on the ... | 04/30/2002 |
| 6325376 | Target raising and lowering device The present invention is a portable pneumatic target device for raising and lowering a target. With the target raising and lowering device of the present invention, a target can be selectively stopped at any point of extension or retraction. The target ra... | 12/04/2001 |
| 5937967 | Mobile scaffolding apparatus with retractable wheels A mobile scaffolding apparatus having wheel support means which can be moved out of engagement with the ground. The wheel support means are mounted to a conventional scaffolding frame made of at least three, preferably four, vertical posts rigidly connect... | 08/17/1999 |
| 5887549 | Cattle stanchion A cattle stanchion has a frame supporting animal restraint mechanism which includes an enclosed latching and release mechanism and an enclosed lockout means capable of operating in various positions. The frame is comprised of relatively thin welded sectio... | 03/30/1999 |
| 5429301 | Personal defense device and method A personal protection device having a size, configuration and appearance simulating a telephone pager or beeper but having the capability of emitting an incapacitating chemical spray in the event of an attack on the person. The device contains multiple ca... | 07/04/1995 |
| 5404899 | Catchment device for machine parts and tools A single piece hat-shaped catchment device for preventing machine parts and tools from falling into the inaccessible interior of a mechanism during the servicing thereof. The catchment device includes an inner section defining a central hole and a plurali... | 04/11/1995 |
| 5364339 | Bed sore pad A stratiform pad for surrounding and protecting a bed sore from pressure while the patient is in bed. The pad comprises a median layer containing a closed cell air bubble film, a body-contacting layer bonded to one surface of the median layer to adhere th... | 11/15/1994 |
| 5332191 | Apparatus for making concrete slabs Adjustable forms for pouring precast concrete slabs and similar articles of manufacture. The forms may be used either on site to produce concrete slabs as needed, or at a central manufacturing location, for transport to the site where needed. Concrete sla... | 07/26/1994 |
| 5289997 | Apparatus and method for reducing drag on bodies moving through fluid In order to increase energy efficiency by reducing the drag experienced by bodies moving through a fluid medium, such as tractor-trailers, structure is incorporated in the rear surface or panel of the bodies. The structure is implemented with a multiplici... | 03/01/1994 |
| 5283099 | Enhanced structural core material The invention relates to honeycomb core components having an undulating configuration reinforced with structural rods or columns which provide nesting sites for indexing with the flutes or nodes of adjacent components when assembled in stacked relation. M... | 02/01/1994 |
| 5251797 | Eyelet threading aid A device for threading an eyelet, e.g., a fish hook or needle, has a resiliently deformable loop attached to a pen light such that the loop and the eyelet are in the path of the light beam to illuminate the process of inserting the loop, catching the line... | 10/12/1993 |
| 5233788 | Accessible tree protector A fruit tree protector has a plurality of stretchable netting pieces fastened together by hooks which may be C-shaped, and made of plastic, or copper wire, and the like.... | 08/10/1993 |
| 5226387 | Self-latching stanchion and operator system An improved cattle stanchion has a frame supporting animal restraint mechanism having a moveable restraint wand and moveable wand support bar that cooperate in moving to various operative positions. The restraint wand is hinged between its ends to the kne... | 07/13/1993 |
| 5179919 | Wire loom mounting An improvement in a wire loom mounting provides an appendage on a header flange, a non-circular aperture in the appendage, an insert keyed to fit the non-circular aperture, and means for mounting wire loom structures on the insert.... | 01/19/1993 |
| 5170192 | Oxygen permeable bifocal contact lenses and their manufacture An oxygen permeable bifocal contact lens with a Dk of at least 10×10-11 in which a distance vision portion having a refractive index of not more than 1.49 is formed as a preform in which there is provided a recess, and a near distance vision p... | 12/08/1992 |
| 5145322 | Pump bearing overheating detection device and method A deep well water pump system has a temperature probe (17) in the air space above the top bearing (12), preferably in the oil inlet chamber (26), and provides means for signalling abnormal temperatures to warning and system shutdown means. A method of det... | 09/08/1992 |
| 5080356 | Base for baseball and softball The invention relates to a baseball base which is yieldably attached to a ground support. The base is comprised of a hollow body of resilient material and having a frame therein. A support post of square cross-section is attached to the frame so that the ... | 01/14/1992 |
| 5078193 | Wheelbarrow and trailer wheel apparatus A small diameter tire changer has means for anchoring a base, a standard on the base, and a platform on the standard. A spindle rises from the platform. Over the spindle an adaptor plate is reversible with means for engaging the lug holes of either a four... | 01/07/1992 |
| 5018118 | Replaceable watch face improvement This invention is a watch including a watch body (12), a watch hand mechansim with a power take-off shaft (14), a removable watch face (16) formed with a minimal aperture (28) through which the shaft means (14) extends, a transparent, removable cover (18)... | 05/21/1991 |
| 4974877 | Cover binder system The invention is a cover binder including a one piece cover, a one piece plastic strip adapted to pierce the spine of a book and a means for engaging the strip to the cover, and a method and an apparatus for binding books in the cover binder as by providi... | 12/04/1990 |
| 4973305 | Method and apparatus for inserting and retaining an epidural catheter A method of making an epidural insertion of a catheter and means for retention therein whereby a double lumen catheter having an air and medication conduit are provided, and the air conduit has a retention balloon at the distal, epidural end and a pilot i... | 11/27/1990 |
| 4913418 | Swim and exercise paddle improvement A swimmer's flexible plastic hand paddle has a surface area larger than a human hand, and a plurality of perforations (approximating the user's hand size) which are positioned to an off-set location on the paddle toward the thumb side of the user's hand. ... | 04/03/1990 |
| 4896899 | Go-cart vehicle A go-cart vehicle, made from high strength, molded engineering plastics, has a steering shaft tilt assembly which includes a steering shaft (66) slidable in a pivot bushing (70) carried by a bracket (73). The shaft pivots at a U-joint (78) and the bracket... | 01/30/1990 |
| 4890879 | Camper shell A camper shell for use on a pick up truck towing a mobile living unit such that the lower forward end registers with the top of the truck and the back end registers with the mobile unit's roof to streamline air flow. The shell may optionally have upper an... | 01/02/1990 |
| 4869448 | Head restraint for vehicles A head restraint system for vehicles including an extensible support provided with energy absorbing devices which limit the rearward angular displacement of the occupant's head. The support is secured to each side of the interior of a vehicle so that the ... | 09/26/1989 |
| 4842441 | Apparatus for filling a trench in a paved surface The improvement to machines for filling trenches in paved surfaces has two hoppers hydraulically operated to deposit selected course material directly into the trench from a substantially vertical drop in substantially equal quantities from each side. At ... | 06/27/1989 |
| 4840478 | Method and article of manufacture for inserting contact lens The specification teaches a method of applying contact lenses to human eyes by sensitizing the fingers and applying the lenses to the eyes by sense of touch. Also taught are several preferred embodiments of means for sensitizing and cleaning the fingers w... | 06/20/1989 |
| 4834327 | Self-adjusting climbing chock A self-adjusting climbing chock is disclosed which includes a main cable structure having a looped end and first and second cable end sections. A fixed wedge element is joined to the cable end sections, and one of the fixed wedge element faces is provided... | 05/30/1989 |
| 4829727 | Method and apparatus for preparing a frame for installation in a door opening Apparatus and method for squaring and decambering at the assembly plant, and shimming at the job site, a thin metal door frame wherein the frame becomes an integral part of its own setting jig until installation, after which the semi-permanent setting jig... | 05/16/1989 |
| 4812340 | Simulated desert varnish products and methods of making same The disclosure relates to a composition of matter comprising a rock substrate having a coating simulating natural desert varnish which can be developed within a few days, as contrasted to natural desert varnish which requires at least decades to develop i... | 03/14/1989 |
| 4805858 | Refuse bag holder A device for holding refuse bags in an open position to receive refuse, which device can be made from a single length of rigid material shaped to form a frame surrounding an open area. The frame is provided with a channel running substantially about its p... | 02/21/1989 |
| 4797317 | Solar control window film A flexible, composite solar control sheet for use on a motor vehicle window has a vignette pattern in the film area above the driver's sight line that, in its darkest area, transmits less than 45% (preferably 10:30%) of visible light, and reflects less th... | 01/10/1989 |
| 4757571 | Finger and nail brush The specification teaches a method of applying contact lenses to human eyes by sensitizing the fingers and applying the lenses to the eyes by sense of touch. Also taught are several preferred embodiments of means for sensitizing and cleaning the fingers w... | 07/19/1988 |
| 4756300 | Solar water heater, method of construction and stock water heating system A solar water heater apparatus particularly useful for stock tanks in remote locations has an open water tank, a heater floated in the tank with a portion of the heater below the water, and means for maintaining the heater location in the tank. The solar ... | 07/12/1988 |
| 4736558 | Building expansion and separation joint An expansion, or seismic joint, is provided of polyurethane/polyester sponge rubber having a series of parallel grooves in its front face and a single vee shaped groove in its rear face. The grooves in the front face include an elastomeric membrane of cur... | 04/12/1988 |
| 4735244 | Palm tree skinning and trimming apparatus A self-propelled palm tree trimming and trunk skinning apparatus is disclosed which includes first and second curved arms pivotally affixed, at their respective first ends, to a coupling member. At the opposite ends of the curved arms, a tension spring is... | 04/05/1988 |
| 4725451 | Method of simulating natural desert varnish on a suitable rock substrate The disclosure teaches a method of simulating natural desert varnish (that requires at least decades to produce by nature) within a few days. The method is broadly exemplified by the steps of applying a strong base followed by application of a soluble iro... | 02/16/1988 |
| 4678051 | Rectilinearly traveling vehicle A vehicle or cart for movement in mutually perpendicular directions includes two sets of driving chains both in contact with the floor at the same time, one set for driving in one direction includes rollers whose axes are parallel to the direction of move... | 07/07/1987 |
| 4653125 | Portable sanitary facility A portable sanitary facility is disclosed which, in one embodiment is particularly adapted for use by males needing only to relieve themselves of liquid body wastes. A sanitary unit is carried by a trailer to achieve portability between a use station and ... | 03/31/1987 |
| 4636047 | Wrist watch mirror accessory In order to provide a high quality mirror readily at hand for the emergency use of a contact lens wearer, an accessory mirror comprising a thin wafer having a mirrored outer surface is affixed to the back of a wrist watch. The presently preferred embodime... | 01/13/1987 |
