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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7255051 | Template to assist the process of circular sewing embroidery and the like A template (1) in the form of a thin disc is provided with segmental (3) and circular (4) markings, a central aperture (2), and apertures (5) which coincide with intersecting points on the markings enables centre point based positi... | 08/14/2007 |
| 7210487 | Three dimensional nail stencils and method of use A three dimensional stencil for use in applying raised acrylic designs to nails comprises a generally flat, flexible portion adapted for contact with a portion of a fingernail or toenail, and a cut-out portion formed within the confines of the flexible portion. The ... | 05/01/2007 |
| 7121196 | Device and method for applying patterns and/or labels to a substantially flat surface of an article A device creating patterns on greeting cards and the like has at least one stencil for applying a pattern onto a flat surface. A stencil holder that has securing elements for securing the at least one stencil in a predetermined position relative to the stencil holde... | 10/17/2006 |
| 7055259 | Template set for drawing three-dimensional shapes A template set includes a first template for drawing the contour of a three-dimensional shape and a second template for drawing the visible and invisible edges of the three-dimensional shape. The first template has a plurality of apertures, wherein each aperture has... | 06/06/2006 |
| 7032534 | Article for use against backgrounds of various colors and method of manufacture The present invention is directed to an article formed from a generally see-thru sheet of material and having a two-sided marking thereon and a method of applying the two-sided markings to the article. In a preferred embodiment of the invention, the article comprise... | 04/25/2006 |
| 7020975 | Plaque with alignment and attachment system for symbols An assembly for placing alphanumeric symbols on a frame having a face. The assembly comprises a template and at least one alphanumeric locator. The template is adapted to fit against the face of the frame in accurate position thereon, with the template having an ope... | 04/04/2006 |
| 6560891 | Punch tool alignment device The present invention is directed to an alignment device for perforating a sheet media with a punch comprised of a base member having a punch receiving area, an indicia receiving area, a sheet media receiving area and a longitudinal guide edge for alignin... | 05/13/2003 |
| 5333389 | Letter guide apparatus A board member including a plurality of linear and arcuate tracks are provided, with each of the tracks including respective openings directed therethrough extending from the board top through bottom walls to permit the execution of lettering by the board... | 08/02/1994 |
| 5168636 | Vacuum stencil apparatus A stencil apparatus includes a plurality of letters, wherein each letter includes vacuum porting to effect secure mounting to an underlying surface. A modification of the invention includes a matrix of letters mounted to a single panel to permit simultane... | 12/08/1992 |
| 5100324 | Pre-school stencil kit A stencil kit including a case, a drawing panel releasably mountable to said case in the manner of a cover, and multiple stencils selectively mounted to drawing surfaces formed on opposite faces of the drawing panel. The drawing panel includes an integral... | 03/31/1992 |
| 5033200 | Scientific ruler The present invention relates to a scientific ruler incorporated with a concave lens and a convex lens which may be dismantled from the ruler and aligned with each other to compose as a telescope. The concave lens or convex lens may be replaced by a compa... | 07/23/1991 |
| 5027523 | Learning device for aiding a person in forming alphanumeric combinations A learning device for aiding a person in forming alphanumeric combinations comprises a base having a top and a bottom. A template has an insert receiving aperture formed therein. The template is removably attached to the base, and a stencil insert having ... | 07/02/1991 |
| 5016694 | Clamping assembly A clamping assembly with at least two clamping members with inner surfaces facing towards each other and outer surfaces facing away from each other, a bolt passes through holes formed in the clamping members, the bolt including a bolt head and a threaded ... | 05/21/1991 |
| 5000688 | Magnetic stencil letters These magnetic stencil letters enable a small child to learn to write his name, etc. quickly. Primarily, the letters are packaged as a set, and are magnetic, so as to adhere to a steel panel on top of a piece of paper, which is to be stenciled with letter... | 03/19/1991 |
| 4972598 | Sign-makers template An apparatus including a series of rectangular frames of various sizes to accommodate each of the letters of the alphabet. The framework includes three horizontal centering lines dividing the rectangular framework, with the centering lines equally spaced ... | 11/27/1990 |
| 4916826 | Stencil for handprinting equally spaced, accurately aligned characters A precision coding device comprises a movable unit (11) and a base unit (10) having co-operating means (33, 20, 21) to hold the former on the latter rigidly but detachably in any one of a plurality of equally spaced positions. The movable unit (11) has ve... | 04/17/1990 |
| 4852483 | Kit for individualized silk screen printing A kit for singular screen printing on T-shirts, including a carrier loaded with a row of overlapping stencils and a mask for shielding around a printing area.... | 08/01/1989 |
| 4670991 | Drawing machine A drawing machine having a frame for translatory movement upon a drawing surface. The frame defines an elongated, transverse interior opening. A plurality of template means are removably receivable within the interior opening. Each includes an aperture de... | 06/09/1987 |
| 4664633 | Non-computer learning aid A stencil case and a plurality of cards are provided for use with the stencil case. The stencil case has a front panel and can receive a card such that the card lies adjacently behind the panel. The panel has a first surface region containing a window thr... | 05/12/1987 |
| 4610096 | Transformable stencil toy A transformable stencil toy is provided which includes a main body plate, a sliding plate in limited slidable engagement with the main body plate, and one or more pivoting plates in limited pivotal engagement with the sliding plate and in limited slidable... | 09/09/1986 |
| 4461086 | Matting device Method and apparatus for locating pictures or three-dimensional objects of any kind or size on at least one mat or mount using a template of transparent, flexible, semi-rigid material of a preselected thickness having guide holes extending radially outwar... | 07/24/1984 |
| 4432142 | Key code A key reading system including a key having a plurality of rows of reading positions, each reading position cooperating with a reading position in each other row to form a set of reading positions. The reading system includes a clock line which senses all... | 02/21/1984 |
| 4392306 | Letterguide A letter forming stencil for use in signwriting or the like comprises a substantially rectangular plate having two apertures formed therethrough and having a separate corner forming piece or pieces, the stencil in use being placed on the surface upon whic... | 07/12/1983 |
| 4388764 | Template guide A template guide for use with a parallel motion protractor or drafting machine having a substantially flat elongated base member with a longitudinal ridge extending substantially parallel to the edges of the base member and projecting normal to one surfac... | 06/21/1983 |
| 4359825 | Drafting machine attachment An attachment for a drafting machine having a protractor head has a scale which is securable to the head. By operation of the head, the scale is movable on the drawing board between a first position and a second position disposed at a predetermined acute ... | 11/23/1982 |
| 4336754 | Property identification system A coded property identification system, typically including a stencil and stencil kit, for the marking of personal property with owner identification symbols, to deter theft and also to identify the rightful owner of stolen personal property which has bee... | 06/29/1982 |
| 4309825 | Stencil A stencil for a design having an outline and a center blank, comprising a main stencil member and an auxiliary stencil member. The main member has an opening defining the design outline and the auxiliary member has a subtending portion registrable with th... | 01/12/1982 |
| 4274459 | Template holder and templates A template holder and templates specifically designed for utilization with the holder are provided for use with woodworking devices to facilitate the forming of letters in producing nameplates and other sign structures. The template holder comprises one p... | 06/23/1981 |
| 4262422 | Folder type lettering guide A lettering guide comprises a folder includinng a strip of material, preferably plastic and transparent, folded over to provide a bottom support sheet and an overlying top hold-down sheet, and defining an upright fold edge and an adjacent upright margin a... | 04/21/1981 |
| 4194293 | Lettering triangle A molded, transparent draftsman's triangle provides an adjustable lettering guide for rapid freehand lettering.... | 03/25/1980 |
| 4185392 | Lettering template A drawing template for forming relatively large alphanumeric characters is comprised of a thin substrate in which a plurality of both linear and non-linear slots are formed. Lines drawn through selected ones of the slots form an outline of a desired chara... | 01/29/1980 |
