Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7908753 | Hands-free level A hands-free level for gauging structural-member orientation. The level includes an elongate frame with two side-faces and at least one main reference surface extending therealong and having a mainwidth, a level indicator secured to the frame, and a support arm to f... | 03/22/2011 |
| 7797847 | Hands-free level A hands-free level for gauging structural-member orientation. The level includes an elongate frame with two side-faces and at least one main reference surface extending therealong and having a mainwidth, a level indicator secured to the frame, and a support arm to f... | 09/21/2010 |
| 7739804 | Hands-free long level A level for gauging stud orientation. The level includes an elongate frame, a level indicator secured to the frame, two support arms pivotably secured to the frame to facilitate holding of the level against the stud, and a coordinating arm pivotably secured to each ... | 06/22/2010 |
| 7669342 | Level for a geomatics target device A snap-on support has a body and a pair of spaced-apart arms supported by the body and adapted for snap-fit connection with a geomatics target device. The arms are moveable between an operative position wherein the arms extend outward from the body for securing the ... | 03/02/2010 |
| 7562462 | Hands-free level indicating device A hands-free level indicating device includes a level for determining a spatial orientation of a structural member, and an apparatus for securing the level to the structural member. The apparatus includes a U-shaped portion for attaching to the level and a hook-shap... | 07/21/2009 |
| 7325790 | Post setting insert An insert for assisting and easing the task of setting fence posts or the like into a concrete or aggregate footing. The invention comprises: two identical half-forms, which when faced 180 degrees to each other, interlock together to form a full form, a snap-on leve... | 02/05/2008 |
| 7278218 | Laser line generating device with swivel base A base for a light generating device or a leveling device, having a first surface that includes a connection structure to receive and mount either a light generating device or a leveling device thereto, and a second surface including a nonmechanical attachment struc... | 10/09/2007 |
| 7243431 | Trailer hitch alignment device The invention is a trailer hitch alignment device that synergistically combines a laser level with an alignment mounting bracket, where the bracket, using a fastening means, provides a base on a vehicle for affixing the laser level to a vehicle. The laser level prov... | 07/17/2007 |
| 7165361 | Building construction shores An adjustable building construction shore has an inner tubular member extending internally of an outer tubular member and displaceable longitudinally of the outer tubular member, the inner and outer members having projecting and recessed longitudinal portions slidab... | 01/23/2007 |
| 7137209 | Level and protractor A level and protractor tool (100) includes a body (102) with three sections. The first section (106) includes a spring clip (108) mounted on the body. The spring clip is adapted to be attached to an item that is to be bent or otherwise me... | 11/21/2006 |
| 7117608 | Spirit level A spirit level comprising a body having a level face for setting a surface, at least one bubble vial mounted in the body, the bubble vial having a longitudinal axis generally perpendicular to the level face, and an optical transfer element fixed to the body which tr... | 10/10/2006 |
| 7059059 | Combination level, plumb tool with single-hand engagement A combination plumb and level tool has an elongate body with separated longitudinal arm members that have spaced apart, proximal ends fixed to the body and extend therefrom to respective separate distal free ends. The distal ends form longitudinally extending interi... | 06/13/2006 |
| 6466871 | Method for calibrating and verifying the attitude of a compass A method for calibrating the attitude of a compass in relation to the platform on which the compass is installed. The compass includes an attitude determining device and an optical sighting device and the compass is integrally mounted on a platform. The m... | 10/15/2002 |
| 6439524 | Measuring head holder A measuring head holder for securing a measuring head to an object to be measured, comprising a receiving portion for definedly securing a measuring head thereto, and at least one securing element for fixing said receiving portion to said object to be mea... | 08/27/2002 |
| 6131298 | Self-supporting level measurement device Disclosed is an otherwise conventional level measurement device adapted so as to include a means by which a spring biased clamping device can be used to attach the level to a workpiece, thus freeing the user's hands and allowing the performance of other t... | 10/17/2000 |
| 5977922 | Satellite antenna alignment device A satellite antenna alignment device is described for use with a satellite antenna to enable the satellite antenna to be aligned with respect to a particular satellite. The alignment device is operatively secured to the support arm of the satellite antenn... | 11/02/1999 |
| 5819425 | Level clamp A clamp for temporarily attaching a level to a construction component including an elongated metal or plastic, inverted U-shaped, two-piece body with an opening in the center of the top wall that extends partway down the side walls through which the level... | 10/13/1998 |
| 5815937 | Level adapter assembly An adapter assembly for positioning a level on a structural component includes a mounting mechanism that attaches to the level and an arm that is pivotally mounted on the mounting mechanism. The arm supports at one end a gripping mechanism, such as a bar,... | 10/06/1998 |
| 5799404 | Level clamp A clamp for temporarily attaching a level to a construction component including an elongated metal or plastic, inverted U-shaped, one-piece body with an opening in the center of the top wall that extends partway down the side walls through which the level... | 09/01/1998 |
| 5749151 | Level mount and method of measuring the level of a member A pair of clamps for mounting a level to a joist. Each clamp includes a pair of spaced apart spring biased arms having first ends for gripping the joist. A mounting hole at the lower end of each clamp receives the opposite end of a level which is releasab... | 05/12/1998 |
| 5632484 | Bubble level device, attachable to the grip of a golf club A referenced, liquid-filled, domed vial, attachable to the free-end of a golf club shaft as indicative of a selected postural shaft angle, offset from the perpendicular.... | 05/27/1997 |
| 5581900 | Level clamp A clamp for temporarily attaching a level to a construction component. One embodiment includes an elongated metal or plastic, inverted U-shaped body with an opening in the center of the top wall that extends down the side walls through which the level bub... | 12/10/1996 |
| 5522146 | Level marker A holder for releasably engaging a level and pencil therein. The holder generally comprises a housing having first and second open ends configured to releasably fit about a carpenter's pencil. A window is centrally positioned in a wall of the housing and ... | 06/04/1996 |
| 5479714 | Headlamp leveling apparatus A leveling apparatus is provided for use on the reflector of an automotive headlamp assembly for permitting the assembly to be leveled on an automobile so that the beam of the headlamp is aimed in a predetermined direction. The apparatus includes a level ... | 01/02/1996 |
| 5408391 | Level indicating device for a vehicle headlamp The indicating device is adapted to be inserted into a housing on a headlamp frame with a slip fit and, once inserted, is automatically locked into place. The indicating device includes a bubble level having a vial which is molded integrally with a base a... | 04/18/1995 |
| 5309645 | Combination plumb or level and height setting instruments An instrument set for plumbing or leveling and relative height setting of members such as posts or beams, each instrument including orthogonal sides and a feature projecting from the top of one side allowing each instrument to be set atop a respective pos... | 05/10/1994 |
| 4976040 | Post level apparatus An apparatus for indicating and proper positioning of a post, including a first and second spirit level member, with a first elastic band securing the first and second spirit level together, and a second elastic band directed exteriorly of the second spir... | 12/11/1990 |
| 4970796 | Self supporting spirit level tool A tool for abutment against an object to detect when the object is at a predetermined orientation is temporarily securable to the object in order to free both of the operator's hands for other activities. Plural spirit level vials, oriented to face in dif... | 11/20/1990 |
| 4908949 | Air-bubble level for portable tools Air-bubble level for portable tools which can be used and operated independently from any changes in position of the tool and which can be easily transferred between tools due to its articulated fastening device.... | 03/20/1990 |
| 4829676 | Hands-free level indicating device A level indicating device comprising a level having attached thereto a pair of detachable securing clips whereby the level indicating device can be maintained mounted flush with a structural member in any spatial orientation without further manual manipul... | 05/16/1989 |
| 4785544 | Spirit level accessory for the electric drill A spirit level accessory for an electric drill is provided and consists of a clamp member to fit on mounting surface of the electric drill, a dial member mounted on the clamp member and adjustable to obtain correct position with respect to center line of ... | 11/22/1988 |
| 4745688 | Trueing device A trueing device for use in the hanging of wallpaper, which trueing device comprises first and second jaws which are biased to a closed position for gripping a longitudinal edge of the wallpaper, first and second hand grips respectively positioned one on ... | 05/24/1988 |
| 4739561 | Door leveling device For leveling prehung door assemblies a device is described on which a level indicator is mounted on one flange of a channel member that can be snap fitted onto the door edge.... | 04/26/1988 |
| 4733475 | Extension level apparatus An extension level apparatus suitable for use with a carpenter's level includes in combination a pair of elongated frame members adapted to receive therein the carpenter's level and also includes a spring loaded extension member which permits the extensio... | 03/29/1988 |
| 4580350 | Lie level Apparatus for promoting straight golf ball flight paths by promoting in flight rotation of a golf ball along its horizontal axis by assuring horizontal alignment of parallel grooves of the face of a golf club as the club strikes a golf ball comprising a f... | 04/08/1986 |
| 4400889 | Quick-clamp gauge for monitoring pipe bending A dial-type clinometer is fixed to a vise-type pliers-like clamp to position its indicator for swinging in a vertical plane which is substantially perpendicular to the pivot of, and which substantially symmetrically bisects, the clamp. At least one of the... | 08/30/1983 |
| 4066232 | Clamp-on level holder A device consisting of a rectangular shell affixed to a spring-type clamp for securement thereof onto a convenient location on a scaffolding or mortar board, the rectangular shell used for holding level in a convenient but safe location for use by constru... | 01/03/1978 |
