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Attorney: Dike, Bronstein, Roberts, Cushman & Pfund


Number of patents: 79
Last date: January 19, 1988

1    
NumberTitleIssue Date
4720356Photochromic composition resistant to fatigue
An organic photochromic composition comprising spiro [indoline-2,3'-[3H]-naphth [2,1-b] [1,4] oxazine] dye (spirooxazine dye) and unconventional ultraviolet stabilizers. The ultraviolet stabilizers improve the light fatigue resistance of the spirooxazine ...
01/19/1988
4699473Trifluoromethyl substituted spirooxazine photochromic dyes
The organic photochromic composition of this invention comprises trifluoromethyl substituted spiro (indoline-2,3'-(3H) napth-(2,1-b)(1,4)oxazine) (SO) dyes. This new class of (SO) photochromic compounds has a more neutral color when subjected to ultraviol...
10/13/1987
4675285Method for identification and isolation of DNA encoding a desired protein
A method for identifying and isolating clones containing DNA coding for a desired protein is described. DNA prepared from a cell that expresses the desired protein is inserted into an isolation expression vector having means for replication (as a means of...
06/23/1987
4612268Method of forming phosphor pattern on fluorescent screen for color picture tubes with polymer coagulent
A method of forming a color picture tube fluorescent screen by so-called dry process. After a photosticky substance mainly containing a diazonium compound is coated on a panel inner face, phosphor is adhered to portions of the compound which have been exp...
09/16/1986
4562304Apparatus and method for emulating computer keyboard input with a handprint terminal
An apparatus and method are disclosed for emulating computer keyboard input from a handprint terminal, the output of the handprint terminal comprising character data along with row and column position data for each character. A line buffer memory temporar...
12/31/1985
4462861Etchant with increased etch rate
A process for etching copper comprising contact of the copper with an etchant that is an aqueous solution of sulfuric acid, a peroxide and a low molecular weight carboxylic acid. The low molecular weight carboxylic acid in the etchant exalts etch rate....
07/31/1984
4356642Support device
A support device as disclosed, such as for use as an innersole for footwear, which provides cushioned support conforming to the shape of the wearer's foot to distribute the weight of the wearer substantially evenly over the supported area. At least one ai...
11/02/1982
4264477Keyboard
Keyboard having contactors and contacts which are selectively urged against one another by depression causing engagement of one by the other, the keyboard having at least contactors or contacts or both which are constructed of a conductive polymeric compo...
04/28/1981
4260493Solution waste treatment
A process is provided for the waste treatment of metal plating solutions One embodiment of the process comprises removal of the metal values contained in solution and inactivation or destruction of the complexing agent's ability to complex heavy metals. A...
04/07/1981
4231260Position determining system
A positioning determining system using a delay element and driver transducer for producing a traveling wave in the delay element, the presence of a traveling wave being detectable by a receiver transducer for determining the relative positions of the driv...
11/04/1980
4205256Magnetron supporting structure
In a magnetron device of the type wherein a magnetron tube is supported by a supporting plate and a waveguide is clamped to the magnetron tube through a metal gasket, the edge of an opening provided for the waveguide is urged against the supporting plate ...
05/27/1980
4202226Method and apparatus for manufacturing plastic lenses
The method of making plastic lenses ready for fitting to the contour of the wearer's eye comprising supporting a blank of plastic at one end for rotation about a predetermined axis, turning the blank down to a predetermined diameter, making an annular fac...
05/13/1980
4193054Air flow transducer
An air flow transducer wherein the displacement of a diaphragm by a pressure differential at the opposite sides thereof is measured in terms of unit electrical resistance. The pressure differential is provided by supplying the air to the transducer throug...
03/11/1980
4191361Lockbar for fence post mounting
A lockbar for fastening a bight of fencing about a fence post or the like structure comprising an elongate sleeve having an interior cross-sectional configuration which is complementary to a portion of the fence post such as to enable telescopically slidi...
03/04/1980
4191945Tactile indicating device
Electromechanical apparatus for setting up and erasing alpha-numeric characters or other symbols in braille by means of a tactile display. Dot pins simulating braille are supported for movement within holes in a display plate to a position protruding ther...
03/04/1980
4184652Bobbin spool
A bobbin spool for an automatic sewing machine wherein a predetermined length of thread is wound onto the spool for each sewing operation comprising a hub, spaced parallel flanges at opposite ends of the hub, one of said hubs constituting a turbine wheel ...
01/22/1980
4176577Electronic musical instrument of waveshape memory reading type
In an electronic musical instrument comprising a keyboard including a plurality of keys, a frequency information memory device for storing frequency informations corresponding to respective keys, a plurality of musical tone forming means including a waves...
12/04/1979
4164281Spotting machine
Spotting instrumentalities for turning containers traveling along a predetermined path on a conveyor comprising, at opposite sides of the conveyor, a pair of drive rolls and a pair of idler rolls, said pairs of rolls being movable linearly along said path...
08/14/1979
4162732Coil transfer machine
Apparatus for receiving a row of spaced coils in which the coils are at a predetermined spacing and transferring them to a coil assembly machine at a different spacing....
07/31/1979
4162727Conveyor belt
A conveyor belt designed especially for conveying particulate material, said belt being provided with a central ribbed portion for tractive engagement with the particulate material, planar portions along its opposite longitudinal edges for extension benea...
07/31/1979
4158631Paint strainer
A paint filter comprising a conical wall structure of sheet material embodying top and bottom portions and intermediate the top and bottom portions diametrically disposed wall openings covered with a foramenous webbing and intermediate the wall openings w...
06/19/1979
4158524Mobile chair lift
A mobile chair lift for raising wheelchairs from ground level to a level such as to enable rolling the wheelchair onto a porch or other flat surface providing for entrance to a home or place of business wherein there is a base frame, a platform, legs moun...
06/19/1979
4154001Electric hand drill aligning level
The combination with an electric drill of a spirit level, a foot provided with a spindle, the axis of which is at right angles to the surface of the foot by means of which the foot may be mounted in the drill chuck with its surface at right angles to the ...
05/15/1979
4155061Inductor casing
An inductor such as a fluorescent lamp choke comprises a bobbin carrying a winding, a laminated core, and a sheet metal casing consisting of two parts which have interengaging flanges and grooves along four parallel edges which are slid together and subse...
05/15/1979
4153293Back rest
A back rest constructed to be supported at its foot on a seat structure and to rest against the back of the seat structure comprising a rigid frame, a normally flat, flexible back support mounted on the frame with the lower end thereof stationary and the ...
05/08/1979
4151063Electroplating rack
A hanger element for an electroplating rack, specifically for suspending earrings for pierced ears for plating comprising a conductor part threaded at one end for attachment to the rack and provided at its other end with a collet for receiving the stem of...
04/24/1979
4150744Packaging
A light-sensitive and oxygen-sensitive liquid such as an adrenalin solution for ophthalmic use is sealed within a polymer vessel provided with a dropper spout, the closed vessel itself being sealed within a light-tight gas-impermeable envelope which is pu...
04/24/1979
4147246Anti-theft parking system
An anti-theft parking system comprising a free-standing post at each delineated area for the parking of a single vehicle supporting audible and illuminated signals and a control circuit so designed that when a vehicle is driven into the area so as to depr...
04/03/1979
4144911Connector components
Connector components for flexibly connecting and/or disconnecting parts herein specifically illustrated as connecting the ends of paper makers felts comprising spaced panels of concatenated crossing textile elements wherein the panels are connected at reg...
03/20/1979
4144119Etchant and process
This invention is directed to an etchant and to a process for its use. The etchant comprises sulfuric acid activated with hydrogen peroxide or the synergistic combination of hydrogen peroxide and molybdenum. The etchant is characterized by a source of pho...
03/13/1979
4143927Cassette locking device
The combination with a storage cabinet of a security device for removably locking it to the top of a table or counter to prevent unauthorized removal in the absence of an employee and yet to enable an employee or other authorized person to easily release ...
03/13/1979
4131959Non-polluting toilet system
A toilet system capable of rendering the effluent innocuous and reducing the solid matter therein to microparticle size comprising a reversible, motor-driven pump and a two-position valve operable, on the one hand, for taking water into the system for flu...
01/02/1979
4130454Etchant and process of etching with the same
This invention is directed to an etchant and to a process for its use. The etchant comprises a synergistic combination of hydrogen peroxide and molybdenum as oxidants in acidic solution. The combination of oxidants provides for sustained etching at an exa...
12/19/1978
4125207Chain saw servicing kit
A servicing kit for chain saws comprising nested compartments which collectively have an external symmetry with respect to the longitudinal bisector of the structure, said compartments having interior walls, one of which projects into the interior wall of...
11/14/1978
4118037Record player
A record player comprising a container, a cover attached to said container, a turntable rotatably mounted on said cover, a record on said turntable and having a relatively deep groove at the end of its playing side, an electric motor in said container for...
10/03/1978
4115179Wrap neck label mechanism
A labeling machine wherein there is a picker mechanism for tangentially attaching labels to the necks of bottles traveling along a predetermined path in predetermined spaced relation such that the planes of the tangentially attached labels are substantial...
09/19/1978
4114867Coil spring assembly
A spring assembly embodying along the front edge a row of coil springs, each of which has end loops and intermediate the end loops a series of turns which diminish in diameter from the top to the bottom, the loop at the top being inclined to the axis of t...
09/19/1978
4114210Spring assembly with reinforcement
The combination with a spring assembly of pairs of structures designed to be applied transversely to the top and bottom supporting surfaces at one or more longitudinally spaced intervals to enhance the resistance to sinking of the supporting surfaces, bow...
09/19/1978
4114211Corner stiffener
A reinforcing structure for the corners of innerspring assemblies comprising spaced parallel parts disposed diagonally across the top and bottom sides of the innerspring assembly, spring members at the opposite ends of the spaced parallel parts disposed b...
09/19/1978
4105564Paint strainer
A paint strainer comprising a conical receptacle having a truncated lower end within which there is an upwardly concave bottom wall, the convex interior side of which constitutes the bottom of the receptacle and openings in the conical wall covered with a...
08/08/1978
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