Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8113489 | Rail A railing system for decks and stairs has identical top and bottom metal extruded rails with upright spindles extended between the rails. Anchor balls secured to the rails with fasteners hold the spindles in assembled relation with the rails. The anchor balls have c... | 02/14/2012 |
| 8083214 | Fasteners, railing system and method of assembly A fastener is configured to affix a first article such as a picket to a second article such as a rail to form a railing or balustrade. The fastener includes a first engaging surface having a maximum diameter configured to engage an interior surface of an opening in ... | 12/27/2011 |
| 8056885 | Stair, ramp, or balcony railing system A railing system includes a set of vertically disposed baluster assemblies and a plurality of railing members. The baluster assemblies include a lower base member receiving a pair of opposing vertical plates. Each of the pairs of plates have opposing aligned pairs o... | 11/15/2011 |
| 7980534 | Rackable barrier system A barrier, such as fence panel, is formed from a plurality of channel-shaped rails and plurality of upright members. Each upright member traverses the rail channels of the rails forming the barrier and is mechanically connected to the rail, such that the upright mem... | 07/19/2011 |
| 7913983 | Stair, ramp, or balcony railing system In a preferred embodiment, an apparatus, including: a plurality of members disposed inside generally vertical balusters; each of the members having formed therethrough a hole; a plurality of wires, cables, rods, pipes, tubes (round, oval, or multi-sided) or the like... | 03/29/2011 |
| 7909311 | Adjustable baluster The present invention includes a baluster assembly system comprising: (a) a first baluster portion comprising a first tubular section and having a first attachment adapted to be attached to a surface, and a first engagement end; (b) a second baluster portion compris... | 03/22/2011 |
| 7896318 | Terrain-conforming barrier A barrier, such as fence panel, is formed from a plurality of channel-shaped rails and plurality of upright members. Each upright member traverses the rail channels of the rails forming the barrier and is mechanically connected to the rail, such that the upright mem... | 03/01/2011 |
| 7762533 | Fasteners, railing system and method of assembly A fastener is configured to affix a first article such as a picket to a second article such as a rail to form a railing or balustrade. The fastener includes a first engaging surface having a maximum diameter configured to engage an interior surface of an opening in ... | 07/27/2010 |
| 7748686 | Railing ball A deck and stair railing has top and bottom rails joined to upright posts and upright tubes extended between the rails. Ball knobs mounted on plates or the rails are secured with deck screws to the rails to retain the tubes in assembled relation with the rails. The ... | 07/06/2010 |
| 7681866 | Articulated rail mount A fencing connector and fencing system utilizing fencing connectors. The fencing connectors include a swivel mount having a cavity configured to receive a first swivel assembly. The first swivel assembly is rotatable about a first axis within the swivel mount. A sec... | 03/23/2010 |
| 7654506 | Stairway handrail The stairway handrail of the present invention includes first, second rail bodies, a substantially cylindrical joint, and a first connecting element. The first, second rail bodies can engage with the joint, and the joint has a central axis and a longitudinal slot ra... | 02/02/2010 |
| 7641180 | Handrail or top rail, post and panel assembly and connector therefor A rail and supported panel assembly having first and second rail portions, each portion having a constant cross section defining an elongate recessed channel on an underside. Also included are a panel supported at a top edge, a post for supporting the rail portions,... | 01/05/2010 |
| 7614612 | Adjustable baluster system The present invention includes a baluster assembly system comprising: (a) a first baluster portion comprising a first tubular section and having a first attachment adapted to be attached to a surface, and a first engagement end; (b) a second baluster portion compris... | 11/10/2009 |
| 7540472 | Rail and ramp systems with adjustable fittings Modular railing and ramp systems having adjustable fittings to allow a multitude of rail configurations utilizing a series of mechanical connections. ... | 06/02/2009 |
| 7523921 | High wind fence system The present invention provides a fence system for homes, buildings and the like. The fence system according to the instant invention includes panels constructed and arranged to be pivoted between a vertical orientation and a horizontal orientation. When connected to... | 04/28/2009 |
| 7500655 | Adjustable gate bracket apparatus and system An adjustable gate bracket apparatus and system. The apparatus typically includes a front bracket portion and a rear bracket portion. The front bracket portion includes a generally first rectangular planar body pivotally connected to a second rectangular planar body... | 03/10/2009 |
| 7475870 | Method and apparatus for mounting angled fence portions A mounting attachment for connecting a picket to an angled rail. The mounting attachment comprises a base having an aperture therethrough and into which the picket is inserted. A spring-biased retaining member is provided on the base and is adapted to engage an oute... | 01/13/2009 |
| 7441750 | Railing A deck and stair railing has top and bottom rails joined to upright posts and upright tubes extended between the rails. Ball knobs mounted on plates or the rails are secured with deck screws to the rails to retain the tubes in assembled relation with the rails. The ... | 10/28/2008 |
| 7438282 | Railing A deck and stair railing has top and bottom rails joined to upright posts and upright tubes extended between the rails. Ball knobs mounted on plates or the rails are secured with deck screws to the rails to retain the tubes in assembled relation with the rails. The ... | 10/21/2008 |
| 7396002 | Terrain-adjustable bracket A bracket is formed from a channel-shaped lower section adapted for attachment to the post, and a channel-shaped upper section pivotably joined to the lower section at its upper end. The bracket is used in fence assembly to connect the end of a channel-shaped rail a... | 07/08/2008 |
| 7338033 | Portable safety barrier system A support post base for a portable safety rail or fence system, said base having a top face side, an opposed bottom face side for contacting a support surface, and first toe rail holder slots or channels configured for detachably e... | 03/04/2008 |
| 7334779 | Clip for adjustable mounting a fence rail to a fence post A fence rail clip for attaching a fence rail to a vertical fence post is disclosed. The rail clip has a bracket with a raised central area flanked by two lower lateral areas and a rail connector that, vertically or horizontally, slidingly engages the central area of... | 02/26/2008 |
| 7300037 | Protection device for roof openings A fall protection device for an opening in a roof includes at least one rail section having a vertical member. The vertical member is preferably in the form of a metal tube having an open lower end. A bearing foot has a connecting portion and a bearing portion and i... | 11/27/2007 |
| RE39842 | Temporary guard rail system An improved temporary guard rail system for use by residential and commercial builders on construction sites in those areas of building structures where an accidental fall may result in serious bodily injury. In particular, the temporary guard rail system of the pre... | 09/18/2007 |
| 7252108 | Collapsible shelter with flexible, collapsible canopy The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. ... | 08/07/2007 |
| 7195562 | Knockdown skateboard park system A skate park system comprises interlocking pieces enabling quick assembly and disassembly. The disassembled pieces can lay flat, enabling storage in minimal space. Ramp, funbox and grindrail portions may be used separately or combined in varying manners to provide a... | 03/27/2007 |
| 7188453 | Masonry wall supported fence and method A post tensioned wall includes accessible clamping plates at the ends of selected tensioning rods. Each post of a fence section is welded to a corresponding clamping plate to mechanically attach the post to the tensioning rod extending from a footing or foundation a... | 03/13/2007 |
| 7178791 | Adjustable staircase rail system A hinge assembly is described which can be assembled by snapping together moldable half-cap pieces about the end of a baluster pierced through by a hole. The baluster turns about spindles formed by the half-caps. The half-caps may be fixed together by press-fit mati... | 02/20/2007 |
| 7175234 | Foldable safety rail A foldable safety rail includes at least one fixing seat attachable to a wall, and at least one armrest body pivotally mounted on the at least one fixing seat. Thus, the armrest frame of the armrest body is located at the horizontal state rigidly and stably when in ... | 02/13/2007 |
| 7168688 | Privacy fence A fence section has upper and lower brackets that mount to one side of a post. Each bracket has a pair of rail mounting plates extending from opposite side edges of a post mounting plate. Upper and lower rails extend between the upper and lower mounting brackets. Ea... | 01/30/2007 |
| 7147212 | Clip for adjustably mounting a fence rail to a fence post A fence rail clip for attaching a fence rail to a vertical fence post is disclosed. The rail clip has a bracket with a raised central area flanked by two lower lateral areas and a rail connector that, vertically or horizontally, slidingly engages the central area of... | 12/12/2006 |
| 7140473 | Safety top balustrade for a car of a machine room-less elevator Safety top balustrade for a car of a machine room-less elevator which moves in a hoistway, on a wall of which the controller of the elevator is secured, said balustrade comprising:—a fixed structure (21) comprising a plurality of vertical uprights (24 | 11/28/2006 |
| 7128500 | Corner connection for temporary shoring A connection arrangement for temporary shoring in an excavation site is used to secure I-beams together at corners within the excavation site. Typically, four I-beams are connected together to form a rectangular frame that is suspended within the excavation for brac... | 10/31/2006 |
| 7128303 | Fan mounting spacer assembly Some embodiments of the present invention provide a spacer configured to mount a fan housing to a surface of a structural support. In some embodiments, the spacer includes a body, a first aperture passing through the body and having a first length through the body, ... | 10/31/2006 |
| 7121530 | Fence bracket system and fence system using the fence bracket system Method of assembling a fence that includes posts and rails, wherein the method provides for placing a plurality of spaced apart posts in the ground, sliding at least two post brackets over an end of each post, sliding at least one first rail bracket over an end of a... | 10/17/2006 |
| 7100904 | Adaptable fence The present disclosure relates to a fence. More particularly, the disclosure relates to a fence capable of adapting to any angle of inclination comprising a plurality of columns, horizontal connecting members which have more than one degree of freedom through a conn... | 09/05/2006 |
| 7090202 | Fence and method of producing such A fence panel that tracks a sloped terrain surface, in which a pair of spaced-apart rails each have a first longitudinal edge and an opposing second longitudinal edge on a side of the rail, and a plurality of pickets having first pickets and at least two second pick... | 08/15/2006 |
| 7086642 | Rackabale gate for fence and method of producing such A rackable gate having a gate panel with spaced-apart rails connected to a plurality of first pickets and a second picket. The second picket attaches to the respective rails on a side edge opposing the attachment of the first pickets to the rail. Distal opposing end... | 08/08/2006 |
| 7077386 | Adjustable staircase rail system A hinge assembly which can be inserted into the bore of an end-bored bluster, fastened to the inside of the bore, and pivotally attached to a flange suitable for attachment to a rail. The hinge assembly requires no external modification to the normally exposed surfa... | 07/18/2006 |
| 7063186 | Safety rail A portable modular safety rail (20) is taught for protecting workers during building construction and remodeling. The invention in the preferred embodiment consists of two upright stanchions (22) having a flat mounting plate (36) on the bottom w... | 06/20/2006 |
