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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 |
| 7187620 | Method and apparatus for borehole sensing The present invention provides an apparatus and method for sensing subsurface data. One embodiment of the invention comprises a shuttle attached to a conveyance where the conveyance and shuttle are adapted to be spooled downhole into a borehole for sensing seismic d... | 03/06/2007 |
| 7182040 | Personnel guidance and location control system A personnel location control system for controlling and guiding a group of individuals in a selected path to a waiting point and then to an activity in advance of that waiting point. The system in one embodiment relies upon a plurality of disks or like guide path-fo... | 02/27/2007 |
| 7029034 | Calendar kit and apparatus for behavior modification and a method for using the same A calendar is provided for behavior modification as well as a method for using the same. The calendar has calendar sheets and informational sheets. The calendar has objectives sections, data collection sections, analysis sections, non-date pages and/or detachable pa... | 04/18/2006 |
| 6347811 | Structure of a diary of high practicality of use Structure of diary of high practicality of use, characterized by the fact of comprising weekly modules, bound together, each one constituted of a page; sub-divided into two parts, which have note space structured in a weekly and daily manner; in addition,... | 02/19/2002 |
| 6322107 | Inflatable calendar An inflatable calendar formed of thin flexible plastic sheet defining when inflated a fourteen-sided polyhedron enclosure comprising opposite top and bottom hexagonal walls and six consecutive trapezoidal upper side walls extending downward from said top ... | 11/27/2001 |
| 6253473 | Holder for calendar display The calendar of the normally folded type is displayed in an unfolded position on a backboard upon which is pivoted a frame. The frame has upper and lower openings defined by stiles and crosspieces. The back of the frame has a recess sized to receive the c... | 07/03/2001 |
| 6135662 | Lesson planner A lesson planner includes a foldable notebook containing a series of transparent lesson plan retaining sheets for supporting lesson planning cards used by an instructor to prepare and present a lesson plan for a class. Each lesson plan retaining sheet inc... | 10/24/2000 |
| 6129386 | Apparatus and method for collecting data An apparatus for collecting and cataloging data, the apparatus comprising a base, an accordion-pleated folded strip mounted with the base and defining sections each having a major surface for the recordation of information thereon, each section hingedly f... | 10/10/2000 |
| 6116656 | Perpetual coded calender A perpetual symbol coded means for calendaring, presenting--in one embodiment--a two dimensional matrix which graphically presents the basic information of the month, day and date for a given year. Correlation of the basic calendaring data is achieved by ... | 09/12/2000 |
| 5984361 | Device and method for organizing materials The sorting and filing of particular items is achieved using an organizer and a method for organizing. An organizing device having a plurality of pocket enclosures correlating to a specific day of a week or month is provided. Pocket enclosures on each par... | 11/16/1999 |
| 5857710 | Multi-cycle releasable connection A releasable connection between the lower end of a running string and a well tool that is subject to being stuck in a well includes inner and outer members movable telescopically between contracted and extended positions, a tension sleeve connecting the m... | 01/12/1999 |
| 5697647 | Hairstylist appointment calendar An appointment calendar for a hairstylist wherein a book type calendar is provided having index tabs for the twelve (12) months of the year, and double pages for each day of a respective month. Each day page is divided into a plurality of rows and columns... | 12/16/1997 |
| 5412886 | Calendar oriented monthly bill payment sorter A calendar and mail sorting structure which includes a series of monthly calendar sheets joined to a bottom sheet member by a binding along top edges of the sheets and with the sheets being rotatable on the binding enabling each sheet to be successively r... | 05/09/1995 |
| 5261173 | Automatic calendar An automatic calendar comprising a first scroll intermittently movable in a vertical direction and carrying a multiple month display of consecutive calendar days arranged in weeks disposed transversely with respect to its direction of travel; a second tra... | 11/16/1993 |
| 4798402 | Priority planner calendar A calendar having double length leaves is disclosed. Each double length leaf displays the second of two consecutive months (or other units of calendar time). The month takes up only half of the double length leaf or, in other words, the month occupies a s... | 01/17/1989 |
| 4720123 | Customized calendar A customized, i.e., personalized, calendar having a plurality of surface sections is disclosed in which name information indicia is presented in one section, important date information indicia is in another section, birthdate information indicia is contai... | 01/19/1988 |
| 4591840 | Calendar event description abbreviation A method of building a monthly calendar screen having abbreviated event descriptions directly translated from event descriptions on day screens. Day screens are built from keyed in dates, times, and descriptions of events related to the dates and times. M... | 05/27/1986 |
| 4489958 | Personal time management instrument A sheet for personal time management is provided with an activity section and a calendar section to provide an entire week's scheduled activities over the same working hours each day. A plurality of such sheets can be incorporated into a book so as to pro... | 12/25/1984 |
| 4376596 | Portable roadway A plurality of sections of portable roadway are removably interconnected for use during periods of adverse weather conditions during which soil conditions are such that it is impossible to build a permanent road, or when the economics are such that a temp... | 03/15/1983 |
| 4319771 | Programmable agenda A programmable agenda which is adapted by the user for use during any month of any year. The agenda comprises a series of sequentially numbered pages, each number corresponding to a date of the month. Each page is inscribed with a row of seven boxes, the ... | 03/16/1982 |
| 4221064 | Device for displaying indicia A device for displaying indicia is provided comprising: (a) at least one cover member having at least one visual display means on at least one surface thereof; and (b) at least one display member slidably movable by gravity with respect to at least one of said... | 09/09/1980 |
