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

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Sewell, Paul T.


Primary examiner statistics: 3591 patents; average approval time: 650 days
Assistant examiner statistics: 103 patents; average approval time: 589 days

Patents as Assistant Examiner


1      
NumberTitleIssue Date
5947276Pen-case device
The present invention relates to an improvement pen-case device comprising a front clamp cover and a rear clamp cover, according to above architecture user not only could lay aside each kind of pens, but also lay up paper that could be more convenient to ...
09/07/1999
4061134Arterial graft device
The preparation of an arterial graft from a device comprising a sealed chamber within an elongate housing formed of translucent impervious walls, an elongate tubular porous base member disposed within said sealed chamber formed of walls having axially spa...
12/06/1977
4060162Ribbon lift guide
A ribbon lift guide for a serial printer comprising a generally circularly shaped flexible disc member coupled to the hub of the print wheel element on the side of the print wheel containing the print surface of the character slug and positioned parallel ...
11/29/1977
4058195Increment-decrement logic for serial printer
A serial printer comprises a carriage, a print member rotatably mounted to the carriage and including a plurality of character elements, a drive coupled to the print member for rotating the print member to a desired rotational position, a device coupled t...
11/15/1977
4058197Ribbon tension control for a ribbon cartridge
A ribbon tension control for a ribbon cartridge comprising a shaped frictional drag device in frictional contact with the edges of at least one side of the ribbon material situated on the supply spool. The frictional drag device is in the form of a semi-c...
11/15/1977
4058168Rotary harrows
A rotary harrow has a frame for attachment to a prime mover, a portion of the frame having generally vertical shafts with soil-working members journalled therein and arranged side-by-side in a row that extends transverse to the direction of travel. Each s...
11/15/1977
4054198Magnetic head control assembly for a magnetic passbook printing system
A printing apparatus is provided for printing on a document or bank passbook which has affixed thereto a magnetic stripe on which information with respect to the print operation is written and/or read by a magnetic head scanning assembly. The printing app...
10/18/1977
4053043Means and method for enhancing ribbon lift
To enable an impact printer, employing a daisy wheel print element and a ribbon which is raised to an up or print position from a down or character viewing position, to print without loss of portions of the characters because of incomplete ribbon lift cau...
10/11/1977
4051944Capstan driven, endless printer ribbon cartridge
A capstan driven, endless printer ribbon cartridge comprising an endless ribbon and a flat housing formed of a planar base and an enclosing planar top with downwardly projecting edge walls is disclosed. The housing includes an appendage within which a gui...
10/04/1977
4051945Electronic tabulator for high speed printers
An electronic tabulator for use in non-impact printers and similar data terminal printout apparatus includes a random access memory (RAM) having a capability of storing the maximum of printing carriage positions to be tabulated at random order in response...
10/04/1977
4050566Mechanical code converter for use with a typewriter or the like
Apparatus is disclosed for use with typewriters of the type having trip hammers and is adapted to receive combinations of electrical signals which uniquely define the respective characteristics and to decode the electrical signals to selectively activate ...
09/27/1977
4050565Keyboard controlled electronic embossing machine
An electronic embossing machine which utilizes a keyboard controlled die head, which die head bears embossing dies. Electronic means is provided which causes the die head to be rotated over the shortest distance to place the keyboard selected character in...
09/27/1977
4050567Shift mechanism for typewriter
A shift mechanism for typewriters has the capability of moving the carriage and a platen supported thereby from a first position to a second or third position along a longitudinal path on opposite sides of the first position. The first position is the nor...
09/27/1977
4050520Cultivator with screening device
A cultivator having rotatable soil-working tines on supports has a screening element pivotally connected to the front of the frame to extend downwardly near the supports. Springs bias the screening element to a position adjacent the tines to prevent damag...
09/27/1977
4049109Print member carriage assembly
A carriage assembly for transporting a print member along a predetermined path adjacent a support member comprises a first carriage section adapted to be mounted adjacent the support member for movement along the predetermined path, apparatus for mounting...
09/20/1977
4049110Print wheel mounting assembly
A print wheel mounting assembly for a daisy type print element comprising a generally circular disc section coupled to the hub of the print element, a generally cylindrical section, an end cap section pivotally coupled to the cylindrical section and havin...
09/20/1977
4047608Compliant ribbon-guiding structure
A compliant structure formed of resilient tape of the self-straightening type is used to guide a web of thin material which is transferred between two machine elements that have relative motion to each other. The structure is applied to a ribbon supply an...
09/13/1977
4046247Printer ribbon cartridge
A cartridge for an endless band printer ribbon includes a chamber for storing the ribbon in a convolute therewithin. One or more segments of the ribbon are maintained exteriorly of the cartridge to overlie and close the open end of a corresponding depress...
09/06/1977
4046201Soil cultivating implements or rotary harrows
This invention relates to soil cultivating implements or rotary harrows, such implements comprising at least one power-driven soil working member or rotor that includes a tine support secured to a shaft affording the axis of rotation of that member or rot...
09/06/1977
4044882Apparatus for moving a printer carriage
A printer carriage as for a teleprinter or a typewriter is carried on a toothed belt along a printing row, the belt being driven in forward and reverse directions by a reversible stepping motor operating without feedback. Deceleration and precise stoppage...
08/30/1977
4044881Serial printer with linear motor drive
A serial line printer uses a linear stepper motor of the variable reluctance type in which the toothed stator bar acts as a guide and support for the print mechanism carrier. Sensor elements movable with the carrier sense the presence of the teeth of the ...
08/30/1977
4044880High speed wheel printer and method of operation
A print wheel is rotatably mounted on a carrier driven by a stepper motor to traverse the print line of a document. The wheel contains two or more arrays of characters with preferred characters most commonly used in each array and a number of lesser-used ...
08/30/1977
4043439Serial printing device for typewriters, accounting machines, teleprinters and similar office machines
A serial printing device comprises a type head mounted rotatably on a carriage which is slidable along a printing line of an office machine. A continuously rotating driving shaft is connected to a differential mechanism which normally transfers the motion...
08/23/1977
4042092Duplicating method
Continuous ink-supply method for duplicating machines such as typewriters to alleviate the necessity for using and replacing conventional ribbons. Method employs a thin film strip or band which has an affinity for liquid ribbon ink, and an inking means fo...
08/16/1977
4042090Key top
A key top comprises a key top base comprising a side portion and a top portion having a specified color, a colored portion provided at a part of the top portion and having a color different from the specified color of the top portion, and, a protective la...
08/16/1977
4037707Cup shaped printer
A serial printer which includes a print element which traverses back and forth in front of the paper. The print element is in the shape of a cup. The sides of the cup are formed by a plurality of fingers, each of which has a number of characters thereon. ...
07/26/1977
4037708Multicolor ink ribbon control for a typewriter
A typewriter ribbon system comprising a ribbon drive device movable in response to the operation of a control device. The system allows the selection and printing of a specific longitudinal portion of a ribbon in the operative impact area....
07/26/1977
4036348Fixing device for a type-carrier disk
A fixing device for a type-carrier disk in which the selection shaft includes a selection shaft, a flange defining a rotation plane and a conical end. The type-carrier disk comprises a central part cooperating with the flange and a conical seat for housin...
07/19/1977
4034842Arrangement for driving a printing head along a printing line
An arrangement for driving a printing head along a printing line of a recording medium comprises a reversible direct-current electric motor which is coupled to the head for moving the latter forwards and backwards along the printing line. The head prints ...
07/12/1977
4033446Three-position ribbon guide for printer
A three-position ribbon guide comprises a ribbon guide bar which is pivoted at one end and carries a ribbon guide at an opposite end. Arranged transversely to the guide bar, one above and one below, are two pivotable armature levers each coupled to the gu...
07/05/1977
4033353Tracheostomy tube
A tracheostomy tube, shaped to conform to the trachea, and including an inner and an outer cannula. The extremities of the cannulae inserted in the trachea are in frictional contact to prevent significant gas flow through the annular space between the can...
07/05/1977
4029105Tracheostomy and endotracheal units
Tracheostomy tube units are provided with a nonresilient annular ring within the tubing connector wall intermediate a tubing connector ferrule and the distal end of the tubing connector, thereby preventing inadvertent and undesired removal of the ferrule ...
06/14/1977
4027668Multi-angle U-shaped hub for infusion member
A U-shaped hub has a plurality of clips formed along its exterior periphery to selectively receive an infusion tube at one of a like plurality of fixed angles relative to a protrusion extending from the periphery of the hub. The junction of the infusion t...
06/07/1977
4026404Apparatus for the bodily shifting of a printing roller
An apparatus for the bodily shifting of a printing roller in parallelism with itself in which the roller has a first printing position and a second printing position and is mounted on connecting rods or levers which are actuated by eccentrics for movement...
05/31/1977
4026403Automatic printer with plurality of replaceable printing members
An automatic printer assembly capable of printing a large number of characters from a plurality of replaceable printing members and valuable in printing characters in a foreign language, such as Japanese Kanji, and the like. The printing member support ca...
05/31/1977
4024942Printer with a paper guide separate from the printer frame
The printer has a printer frame, at least a printing head, a platen and a paper guide. The platen is formed integrally with a frame body in which the paper guide is incorporated so as to form an assembly separate from the printer frame, while the printing...
05/24/1977
4023664Automatic typewriter
Apparatus for converting code responsive, bail operated electric typewriter into an automatic typewriter. The apparatus includes discrete sensing, actuating or combined sensing-actuating assemblies disposed in existing cavities formed by the typewriter me...
05/17/1977
4022313Ribbon lifting mechanism
In a printer wherein a ribbon is driven against a platen by a print element there is provided a ribbon lifting mechanism having a one revolution motor which drives, via a n-to-1 reduction gear, a ribbon guide to pivot to different positions whereby differ...
05/10/1977
4022312Semi-automatic centering control
Disclosed is a control mechanism and device for conditioning a typewriter to backspace on every other depression of a keylever and at the same time to prevent printing on all depressions of keylevers. Additionally, the typewriter is conditioned to not pri...
05/10/1977
4020849Cuff inflation for tracheal tubes
The connector member which connects a tracheal tube to the source of breathing air incorporates an auxiliary passage having an entrance device for inflating the cuff with the breathing air, the entrance device responding to raised pressure in the connecto...
05/03/1977
1      
 
Sign InRegister
Username  
Password   
forgot password?