"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7010860 | Hand-held cutting device A cutting device is operable with one hand for cutting a circle or an elliptical shape in a sheet of material. In a first embodiment for cutting elliptical shapes, the cutting device includes a first member for placement on the sheet material and a second member for... | 03/14/2006 |
| 6962180 | Attachment fixture for manufacturing elliptical arches using a single-pass radius molding system The present invention is an attachment fixture that is used in conjunction with a single-pass radius molding system to manufacture elliptical arches. The attachment fixture includes a vertical beam, a horizontal self-centering rack mounted at top end of the vertical... | 11/08/2005 |
| 6668461 | Hand-held cutting device A cutting device is operable with one hand for cutting a circle or an elliptical shape in a sheet of material. In a first embodiment for cutting elliptical shapes, the cutting device includes a first member for placement on the sheet material and a second... | 12/30/2003 |
| 6484406 | Hand-held cutting devices A cutting device is operable with one hand for cutting a circle or an elliptical shape in a sheet of material. In a first embodiment for cutting elliptical shapes, the cutting device includes a first member for placement on the sheet material and a second... | 11/26/2002 |
| 6158133 | Oval cutter An apparatus for rendering ovals of adjustable sizes and ellipticity upon various materials. An oval cutter comprises a clickerplate for adjusting the ellipticity of ovals in a single movement. The clickerplate can be rotated about a base using a knob mou... | 12/12/2000 |
| 6052909 | Hand-held oval cutting device A cutting device is operable with one hand for cutting an elliptical shape in a sheet of material. The cutting device includes an elliptically-shaped base plate for placement on the sheet material and a cutting member for simultaneous pivotal and translat... | 04/25/2000 |
| 5555631 | Ellipse Scribe An ellipse scribe for writing or cutting an ellipse onto or into a workpiece. Two perpendicular tracks each include a slider block which is capable of reciprocating within the tracks. The slider blocks are rotatably affixed at different points along the l... | 09/17/1996 |
| 5526573 | Device for circumscribing circles and ellipses A device for circumscribing selectively both circles and also ellipses of variable proportions includes a housing in which is rotatably mounted an armature. The armature is constrained to move on two axes disposed at right angles to one another, so as to ... | 06/18/1996 |
| 5430946 | Device for circumscribing circles and ellipses A device for circumscribing selectively both circles and also ellipses of variable proportions includes a housing in which is rotatably mounted an armature. The armature is constrained to move on two axes disposed at right angles to one another, so as to ... | 07/11/1995 |
| 5189800 | Device for drawing elliptical curves An elliptical curve drawing device draws an ellipse having desired minor and major axes along given central axes. The device includes a y-axis movable member movably mounted on a base plate for movement along a y-axis which extends perpendicularly to a st... | 03/02/1993 |
| 5099727 | Mechanism and method for circumscribing oval shapes A mechanism is provided for circumscribing oval paths, wherein a pivotably mounted element is dynamically oriented so as to maintain a functional axis thereof constantly tangent to the circumscribed path. An orienting arm attached to the mounted element i... | 03/31/1992 |
| 5058282 | Ellipsograph A trammel-beam ellipsograph is disclosed wherein the beam is made of two sliding elements in parallel relationship with a scribe-bearing cursor riding upon them. Each beam element is pivotably attached at one end to a slide restrained within one of two pe... | 10/22/1991 |
| 4567927 | Apparatus for automatically forming ovals An apparatus for forming elliptical shapes on a workpiece. The invention involves a support frame which includes a pair of uprights having cantilevered beams from which are suspended a support disk. A pair of mutually perpendicular trammel tracks are set ... | 02/04/1986 |
| 4447954 | Ellipsograph Drafting instrument for drawing ellipses using scribe arm and members capable of being pivotally connected at two points along the scribe arm, one of the members being constrained to move along a straight line congruent to the minor axis and the other of ... | 05/15/1984 |
| 4356633 | Ellipsograph An ellipse drawing device is disclosed which utilizes mounted on its lower surface a rotary arm and an elongated plate in conjunction, generating a straight line motion of a point on the elongated plate, grouped in perpendicular relation to the grooves on... | 11/02/1982 |
| 4306598 | Ellipse cutting machine A trammel beam carrying a pair of dove-tail shaped slider blocks rotatably carried on a pair of adjustable trammel points is attached to a workpiece support base which includes a pair of crossed right angle mutually perpendicular dove-tail tracks along wh... | 12/22/1981 |
| 4244106 | Device for describing an ellipse A device for describing an ellipse. An enclosed arcuate first slot extends through a cylindrical shell. A path-generating disc fits inside the shell and enables the shell to rotate relatively thereto, and to it is secured a square bottom plate having a pl... | 01/13/1981 |
| 4182043 | Drawing instrument for an ellipse A drawing instrument for drawing an ellipse having two arms extending to left and right associated with operating mechanisms, so that when the arms are opened by a turning force of a first arm, a center moves along the straight line C, C' at a right angle... | 01/08/1980 |
| 4174572 | Drafting instrument A drafting instrument for tracing curves such as ellipses. The instrument includes a base which is movable over a graphics surface. A marking element is carried by a writing arm connected with the base by linkage means which guides the marking element alo... | 11/20/1979 |
| 4166320 | Apparatus for tracing ellipses Apparatus for tracing elliptical curves comprising a T-shaped support member having perpendicular longitudinal and transverse branches and formed as a one piece injection molded body. The T-shaped member carries a point support on the longitudinal branch ... | 09/04/1979 |
| 4148144 | Oval compass An ellipse drawing instrument employing a drawing arm, and a pair of members adapted to be connected to the drawing arm at two spaced points on the drawing arm, one of the members being constrained to move along a first path and the other of said members ... | 04/10/1979 |
| 4112793 | Device for cutting ovals in mats or glass sheets A device for cutting ovals or circles in sheet material. A baseboard is secured adjustably atop a parallel pair of base channels by a combination of screws and coil springs. A base plate secured to one end of the baseboard supports (1) a pair of swivel-mo... | 09/12/1978 |
| 4048724 | Ellipsograph An ellipsograph characterized by a pair of rectilinearly slideable members disposed in 90° crossing relationship and adjustable radii crankpins for moving same, forming a pair of Scotch yokes, and a stylus carrying member slideably engaging both members ... | 09/20/1977 |
| 4014101 | Ellipse drawing instrument An ellipse drawing instrument which makes it possible to draw an ellipse easily and precisely without requiring special skill. The size and angle of the ellipse can be changed steplessly by a simple adjustment. It includes a base plate, a movable plate, a... | 03/29/1977 |