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 |
| 7415806 | Ballistic abatement barrier method and system A modular ballistic abatement barrier system (10) includes a first corrugated panel (12) having at least one aperture (13), a second corrugated panel (16) having at least one aperture (17), and a ballistic cloth (14) placed ... | 08/26/2008 |
| 7350450 | Armor structures An armor structure includes first and second layers individually containing a plurality of i-beams. Individual i-beams have a pair of longitudinal flanges interconnected by a longitudinal crosspiece and defining opposing longitudinal channels between the pair of fla... | 04/01/2008 |
| 7117780 | Composite armor plate The invention provides a composite armor plate for absorbing and dissipating kinetic energy from high-velocity projectiles, the plate comprising a single internal layer of pellets which are bound and retained in plate form by an elastic material, substantially inter... | 10/10/2006 |
| 7077306 | Ceramic armor and method of making by encapsulation in a hot pressed three layer metal assembly A ceramic armor is disclosed in several embodiments. In a first embodiment, a metal base plate has a metal frame assembled on it having a central opening into which the ceramic material is placed. A cover plate is placed over the frame to enclose the ceramic materia... | 07/18/2006 |
| 7069836 | Ceramic armor and method of making by encapsulation including use of a stiffening plate A ceramic armor is disclosed in several embodiments. In a first embodiment, a metal base plate has a metal frame assembled on it having a central opening into which the ceramic material and stiffening plate are placed. A cover plate is placed over the frame to enclo... | 07/04/2006 |
| 6912944 | Ceramic armour systems with a front spall layer and a shock absorbing layer Several ceramic armour systems are provided herein. One such system is a ceramic armour system for personnel. Such system includes an integral ceramic plate, or a plurality of interconnected ceramic components providing an integral plate. The ceramic has a deflectin... | 07/05/2005 |
| 6826996 | Structural composite armor and method of manufacturing it A composite armor 10 and method for making it. The armor 10 has a honeycomb core 12 that is provided with polygonal openings 14 and oppositely facing sides 16, 18. Inserts 20 are placed within at least some of the openings. ... | 12/07/2004 |
| 6799524 | Modular security vault panels Security vault panels and their method of manufacture are disclosed. Specifically, improved panels for manufacturing security vaults are disclosed, with each panel comprising (a) a rectangular metal mold having opposing metal end caps and opposing metal side rails a... | 10/05/2004 |
| 6543371 | Modular vault panel A modular concrete vault panel including two opposed metal side rails and two opposed metal end rails having ends rigidly connected to ends of the side rails to form a metal rectangular frame. A rebar lattice is supported within the frame, and waveform re... | 04/08/2003 |
| 6474213 | Reactive stiffening armor system A reactive armor structure having an outer layer and a reactive element adjacent to and integral with the outer layer is provided. The reactive element provides an amount of support to the outer layer effective to restrain movement of the outer layer and ... | 11/05/2002 |
| 6418863 | Modular security vault panels and method of manufacturing same Security vault panels and their method of manufacture are disclosed. Specifically, the invention comprises improved panels for manufacturing security vaults, with each panel comprising (a) a rectangular metal mold having opposing metal end caps and opposi... | 07/16/2002 |
| 6363867 | Structural protective system and method A barrier to penetration by a foreign object includes a rigid housing and a mechanism, enclosed within the housing, for mechanically trapping the foreign object, for example by exerting a lateral compressional force on the foreign object. The mechanism ma... | 04/02/2002 |
| 6273007 | Modular security safe panels and method of manufacturing same The modular security safe with offset security bolt box is provided. A method of manufacturing panels and assembling the safe is also provided. The modular safe includes a number of modular panels which serve as the top, bottom, and sides of the safe. The... | 08/14/2001 |
| 6158833 | Fire-resistant computer storage apparatus A thermally insulated cabinet is provided for protecting electronic data storage devices from damage by accidental and environmental conditions and from intentional acts. This cabinet provides an interior envelope which contains a data storage device surr... | 12/12/2000 |
| 6119411 | Enclosure which is fire-resistive for a predetermined period of time An enclosure that is fire-resistive for a predetermined period of time including a floor having a structural forging which is covered with a glass wool felt. A platform of wooden plates is affixed to the glass wool felt. Lateral expansion joints are posit... | 09/19/2000 |
| 6044777 | Composite metal safe and method of making A composite metal safe including separate inner and outer metal safe containers joined together in spaced-apart concentricity to form an endless pocket therebetween and wherein the inner container forms a hollow interior accessible through a front opening... | 04/04/2000 |
| 5970889 | Steel shell safe with snap-in resin liner An insulated steel shell safe has a lip extending inward around an inner periphery of a door opening; and a molded resin liner, inserted into the steel shell through the door opening, is connected to the lip to form an interior of the safe. The liner has ... | 10/26/1999 |
| 5946954 | Door bushing system for insulated steel shell safe A door bushing system includes bushings formed as part of a molded resin door jamb in an insulated steel shell safe door. The mold for the door jamb is designed to form as many bushings as are required and can also form stubs or sleeves for mounting other... | 09/07/1999 |
| 5763813 | Composite armor panel The invention provides a composite armor material for absorbing and dissipating kinetic energy from high velocity, armor-piercing projectiles, comprising a panel consisting essentially of a single internal layer of high density ceramic pellets having an A... | 06/09/1998 |
| 5740635 | Enclosure fire-resistive for a predetermined time An enclosure that is fire-resistive for a predetermined period of time including a floor having a structural forging which is covered with a glass wool felt. A platform of wooden plates is affixed to the glass wool felt. Lateral expansion joints are posit... | 04/21/1998 |
| 5531500 | Protective shield for vehicle door A bullet-proofing panel for attachment to the exterior door surfaces of a police cruiser or the like comprising an outer polymeric skin having a contour corresponding to the contour of the sheet metal of the vehicle's doors. The polymeric skin member when... | 07/02/1996 |
| 5490468 | Safe with refractory laminate walls A safe, vault or container 10 has a laminate wall that is resistant to the cutting effects of a high-temperature torch. The wall of the safe, vault or container 10 comprises a hardened steel outer panel 21 and a hardened steel inner panel 22. A refractory... | 02/13/1996 |
| 5471905 | Advanced light armor A structural armor component includes opposing face sheets and a multi-cell core having abrasive materials disposed within the cells of the core. The face sheets and the core are fabricated from a tough titanium alloy. The core is preferably of honeycomb ... | 12/05/1995 |
| 5469796 | Multi-layer panels for modular vault structure A lightweight, multilayered panel for use in a modular vault or safe structure has multiple layers of cross-grained wood boards secured together by a grid of hardened masonry nails. The nails are driven into the panel layers from both major face surfaces ... | 11/28/1995 |
| 5402703 | Liner system to reduce spall The invention provides a three layer liner for armor to reduce spall and the spall angle. The liner provides a high impedance. The liner is formed by layers of silastic rubber with tungsten powder. Successive layers have a decreasing concentration of tungsten ... | 04/04/1995 |
| 5361678 | Coated ceramic bodies in composite armor Lightweight composite armor comprising a plurality of ceramic bodies embedded in a metal matrix. The ceramic bodies are preferably generally spherical alumina balls coated with a binder and ceramic particles. A particularly preferred coating comprises tit... | 11/08/1994 |
| 5329864 | Door or wall reinforcing filler assembly A break-in obstructing, or burglarproof door or wall, for which old motor vehicle tires are used as filling units instead of steel structures and sheeting. The treads or strips separated from the tires form mat-like, layered, and/or stacked filling units ... | 07/19/1994 |
| 5299862 | Storage devices This structure relates to storage devices and in particular to lockers in particular for luggage such as those to be found at airports and railway stations. The lockers of the present device comprise a door, preferably with no moving parts, which, when th... | 04/05/1994 |
| 5257583 | Multi-layer panels for modular vault structure A lightweight, multilayered panel for use in a modular vault or safe structure has multiple layers of cross-grained wood boards secured together by a grid of hardened masonry nails. The nails are driven into the panel layers from both major face surfaces ... | 11/02/1993 |
| 5196252 | Ballistic resistant fabric articles A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises a flexible substrate layer having a plurality of planar non-metallic bodies mechanically affixed to a surface thereof.... | 03/23/1993 |
| 5188040 | Door or wall reinforcing filler assembly and method A break-in obstructing, or burglarproof door or wall, for which old motor vehicle tires are used as filling units instead of steel structures and sheeting. The treads or strips separated from the tires form mat-like, layered, and/or stacked filling units ... | 02/23/1993 |
| 5069358 | Media case A fire-resistant case for protecting electronic storage media includes a main body and lid, each of which is assembled from a pair of subassemblies. The outer subassemblies of the lid and main body are made from an integral resin body having inner, outer,... | 12/03/1991 |
| 5014593 | Perforated plate armor Perforated plate armor (10) for protecting an object (12) from damage includes outer and inner perforated steel plates (14) and (18) which have associated patterns of holes (16,20). These perforated steel plates (14,18) are heat treated to have hardened s... | 05/14/1991 |
| 4926761 | Armor particularly for a safe and a safe thus produced The armor comprises a plate of refractory steel (1) resistant to cracking by means of a known torch. One or more inserts (2) of refractory material resistant to an added metal torch are encased in the refractory steel (1), the structure and distribution i... | 05/22/1990 |
| 4911061 | Composite ceramic armor and method for making same Composite ceramic armor (10) and a method for making the armor are disclosed as incorporating a plurality of plate-shaped ceramic tiles (12) and cloth (18) wrapped around each tile over each surface (14) and side (16) thereof with a synthetic resin matrix... | 03/27/1990 |
| 4898104 | Arming and handling shield for oilfield and other explosive devices A shield to be used while arming and handling oilfield and other explosive devices. The shield is constructed of anti-shrapnel materials and is of tubular construction to directionally concentrate and channelize explosive forces away from workers during t... | 02/06/1990 |
| 4895063 | Composite armor A composite armour comprises a forward metal armour plate, a metal armour backing plate spaced from and generally parallel to the forward armour plate and between the forward armour plate and the armour backing plate an array of armour layers each incline... | 01/23/1990 |
| 4859541 | Safety structure A safe having a wall comprising spaced steel plates, a sheathing layer between the plates consisting of hard non-metallic grains of e.g., boron carbide, silicon carbide, boron nitride, diamonds, ceramic oxides and hard metallic grains of e.g., cast iron, ... | 08/22/1989 |
| 4841692 | Shielded access apparatus for use in an enclosure for preventing propagation of electromagnetic energy into or out of the enclosure A shielded access apparatus for enabling personnel access to an enclosure which is shielded to prevent propagation of electromagnetic energy into and out of the enclosure. The apparatus includes an access enclosure of electrically conductive material and ... | 06/27/1989 |
| 4822657 | Bullet resistant panel A bullet resistant panel defined by an assembly including plural layers of impact resistant fabric and a layer of insulating foam, the assembly being secured within a peripheral frame and laminated between intermediate substrates of cellulosic material an... | 04/18/1989 |
