Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 4571840 | Depth-of-cut gauge A gauge member has an abutment edge at one end for engaging a workpiece in establishing a depth of cut and is mounted in a holder on an adjustable working member. A spring urges the gauge laterally of the frame to position the abutment edge toward a workp... | 02/25/1986 |
| 4520571 | Base plate bolt hole marker A base plate bolt hole marker is shown of the type used to mark bolt holes on a base plate in slab construction where foundation bolts are provided at spaced intervals along the edge of a concrete slab. The marker includes a handle portion and a measuring... | 06/04/1985 |
| 4512081 | Trammel head assembly A trammel assembly consisting of a trammel head and a controllably dimensioned flat scale. This trammel head contains opposite pairs of guide regions for receiving variously sized scales and for tightening these scales in place.... | 04/23/1985 |
| 4507869 | Marker attachment for rules A marker attachment for an elongated rule, such as a metal measuring tape adapted to be stored in compact coiled condition in a case from which it is extendible and into which it is retractable. The marker attachment has at least one integrally formed pro... | 04/02/1985 |
| 4503624 | Combination square, scribing tool and plumb level A combination tool is basically a carpenter's square in which an elongate blade is connected perpendicularly to an elongate handle. The blade has measuring scales on opposite edges each of which commence at the adjacent edge of the handle, and lines exten... | 03/12/1985 |
| 4490920 | Guide clamp A guide clamp is disclosed which includes a clamping jaw at one end of a guide bar. An opposing shifting jaw is slidably carried on the guide bar to permit a workpiece to be embraced by the jaws. A pull rod associated with and parallel to the guide bar is... | 01/01/1985 |
| 4483071 | Saw guide for a power-driven circular hand saw machine or a jig saw machine Saw guide for a power-driven circular hand saw machine or jig saw machine having a base plate (1), a saw blade (4) extending through the base plate (1), a driving motor (2) and a handle (6) with operating switch (7) for the driving motor (2), which saw gu... | 11/20/1984 |
| 4481713 | Reciprocating drafting pen A reciprocating drafting pen device is provided for automatically lifting a technical pen and replacing it onto drafting paper while the pen is drawn transversely across the paper, for stippling, or for the drawing of various other interrupted lines. The ... | 11/13/1984 |
| 4422245 | Tripod open throat T-square and drafting board In a preferred embodiment, there is provided a drafting board having x and y axes and of a predetermined size for a specifically desirable paper size, the drafting board having indicia in juxtaposition to and following each edge of the x and y axes and th... | 12/27/1983 |
| 4414745 | Guiding arrangement for a hand tool A guiding arrangement for a hand saw includes a support located below the saw housing, a guiding strip adjustably connected to the support and a guiding rail secured to the guiding strip. The guiding rail extends normal to the guiding strip and serves as ... | 11/15/1983 |
| 4394800 | Guide clamp A guide clamp is disclosed which includes a clamping jaw at one end of a guide bar. An opposing shifting jaw is slidably carried on the guide bar to permit a workpiece to be embraced by the jaws. A pull rod associated with and parallel to the guide bar is... | 07/26/1983 |
| 4388761 | Scriber A scribing device is provided that is useful for scribing a line on a workpiece. The scribing device includes first and second members that are in sliding engagement with one another for movement of one member relative to the other along a common axis. A ... | 06/21/1983 |
| 4388760 | Marking device A wall edge marking device for resilient floor coverings for aiding in cutting the floor covering to size. The marking device has a relatively smooth base surface capable of sliding along the surface of a resilient floor covering which is laid out on a fl... | 06/21/1983 |
| 4369580 | Drafting pen accessory An accessory for ink drafting pens that allow parallel curved ink lines to be drawn. The accessory is a guide for use with a conventional template. The accessory has a circular outer surface for rolling contact with the edge of the template. It also has a... | 01/25/1983 |
| 4334360 | Pencil marking jig An attachment for a carpenter's square, the attachment supporting a pencil for marking a straight line along a board, the attachment including a collar inside which the pencil is is adjustably secured, and a clamp integral with the collar for clipping aro... | 06/15/1982 |
| 4270276 | Metal working tool A workpiece layout tool for precisely but expeditiously marking a plurality of points to be machined along the workpiece. A slide housing has parallel internal longitudinal grooves which allow the insertion of a slide bar, allowing longitudinal movement o... | 06/02/1981 |
| 4255856 | Utility knife attachment An attachment for a utility knife is disclosed which allows the knife to be used in association with a measuring tape for cutting sheets of plasterboard and the like into uniform widths. In one embodiment, the attachment is in the form of a relatively thi... | 03/17/1981 |
| 4235022 | Device for linear drawing A device for drawing parallel lines both in vertical and horizontal directions, and for drawing circumferences without a compass, includes two pieces, one of which is a set square and the other of which is a plate. Two adjacent edges of the plate are prov... | 11/25/1980 |
| 4227307 | Apparatus for scribing wall panels Apparatus including jig means and associated scribing means for scribing a wall panel for insertion into a wall area bounded on one side thereof by an already mounted wall panel and on the other side by a wall corner. The jig means is preferably of overal... | 10/14/1980 |
| 4197887 | Router guide assembly A router guide assembly adapted to be releasably or semipermanently attached to the work face of a router. The router guide assembly includes a circular base plate having a central aperture through which the cutting bit of the router extends. A pair of gu... | 04/15/1980 |
| 4171574 | Drawing and painting instrument for graphic designs An instrument for making graphic designs on walls or ceilings, including an elongated member having a plurality of rigid sections joined together by a unitary, integral flexible portion, center-line apertures spaced along the longitudinal axis of each rig... | 10/23/1979 |
| 4144651 | Material marker A device for marking opposite sides of a double-layer of materials for clothing or the like having a pair of tongs with an upper arm positioned between a transparent or translucent pattern and the upper layer of the material, and a lower arm positioned be... | 03/20/1979 |
| 4143463 | Auxiliary device for laying flexible wall and floor coverings An auxiliary device for laying flexible wall and floor coverings includes an elongated angle plate having a supporting surface for the material to be cut to size and a pressure strip having a lower pressure surface of approximately the same length as the ... | 03/13/1979 |
| 4121343 | Picture frame mat opening marker A mat opening marking device is provided for laying out full line rectangular openings to be cut in picture frame mat material, and the like. A thin, transparent plate member on one side mounts a straight edge member which can be adjusted to various paral... | 10/24/1978 |
| 4099552 | Attachment for a power tool An attachment for a power tool adapted to perform materials working or shaping operations by means of a rotatable working or shaping element thereof. The attachment has a base member adapted to be secured to the housing of the tool, adjacent the shaping e... | 07/11/1978 |
| 4044805 | Router guide unit An improved arrangement by which a router may be accurately and inexpensively used to trim the edge of a laminate overlay flush with the edge of the underlying wooden member. It particularly comprises a guide fence having a relatively long straight edge i... | 08/30/1977 |
| 4022260 | Laminate trimmer guide A laminate trimmer guide including a frame adapted to be hand held for greater precision and control in trimming and an alignment rod of sufficient length to provide vertical alignment of a rotary cutter of a laminate trimmer with the vertical surface of ... | 05/10/1977 |
| 3981226 | Rotatable base unit for a router for trimming laminate plastics A router for trimming laminate plastic having a unique method of adjusting the blade position. The blade is adjusted by a template unit rotatingly attached to the router housing undersurface thereby positioning the blade for proper trimming. Through movem... | 09/21/1976 |
| 3930315 | Apparatus for sizing a door to fit a selected doorway The method of the invention includes the steps of positioning a support member having a substantially vertically extending recording surface thereon in the doorway for which the door is being sized, recording the contour of each side door jamb of the door... | 01/06/1976 |
