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 |
| 7758007 | Support for a rotatable commercial vehicle seating and operating unit A commercial vehicle seating and operating unit fastened to a support (1) comprises a rotatably supported base plate (2), by means of which the seating and operating unit is supported rotatably about a vertical axis of rotation. The bearing arra... | 07/20/2010 |
| 7353985 | Flexible and protective mailbox mount A mailbox mount which includes a heavy-duty spring connecting the mailbox to post via a mounting element. The spring allows the mailbox to return to its initial position after being contacted by another item, such as a snowplow or the like to prevent permanent damag... | 04/08/2008 |
| 7273202 | Combined supporting base A combined supporting base includes a base body, a fixing device, an elasticity device and a supporting frame having a hook. The base body has a first through hole, while the fixing device has a second through hole. The fixing device is rotatably disposed within the... | 09/25/2007 |
| 7195146 | Deflector mailbox support system In a preferred embodiment, an apparatus, including: a generally horizontal support tray to support a mailbox; a post interface bracket for attachment to a mailbox support post; a spring attached to said generally horizontal support tray and said post interface brack... | 03/27/2007 |
| 7163142 | Damage resistant mailbox support structure A damage resistant mailbox assembly to prevent damage to mailboxes and vehicles, persons or equipment which contact same. The mailbox is supported from an upright support post or structure by one or more expandable and bendable spring units. One end of each spring u... | 01/16/2007 |
| 6662997 | Mail receptacle An improved mail receptacle that expands to accommodate a large volume of mail, which volume could include a parcel. To attain this, the mail receptacle has an expandable pouch. In an embodiment, the pouch is configured to be stored in a pouch box, which ... | 12/16/2003 |
| 6378818 | Multi-position sign-mounting system A sign-mounting system for mounting a sign to a structure, includes a frame portion mountable to the sign and a mounting portion mountable to the structure. The system can be symmetrical with each side having coupling elements of the frame and mounting po... | 04/30/2002 |
| 6375385 | Flexible support A flexible support is constructed by mechanically laminating a plurality of relatively wide, thin, elongate flexible members together. The members are preferably formed of spring steel, and each individually is quite flexible due to the thin configuration... | 04/23/2002 |
| 6338464 | Base assembly of indifferent equilibrium A base assembly of indifferent equilibrium. The base assembly includes a stationary member, a rotatable member and a constant-force spring. The rotatable member is rotatably mounted on the stationary member. The constant-force spring member has an end por... | 01/15/2002 |
| 6315262 | Auto-returning height-control assembly for a chair An auto-returning height control assembly comprising a spindle which is inserted in an outer cylinder and one end is fixed to an end of the outer cylinder, and a first and second cam member which are inserted between the outer cylinder and a sleeve member... | 11/13/2001 |
| 5890691 | Bicycle seat support with rotationally-biased centering mechanism A Bicycle Seat Support (14) includes a rotationally-biased centering mechanism (20) for coupling a seat mount (16) to a frame mount (18). The rotationally-biased centering mechanism has a biasing mechanism for causing the seat mount and an attached bicycl... | 04/06/1999 |
| 5683065 | Suspended seating apparatus Suspended seating apparatus comprising a chair supporting structure with an extensible cantilever arm and adjustable base structure for balancing the cantilever effect and also for accommodating one or a pair of suspended seating arrangements.... | 11/04/1997 |
| 5524853 | Swinging mailbox support A swinging mailbox support including a vertical post having a horizontal arm and brace disposed thereon wherein a mailbox is affixed to an end portion of the horizontal arm and furthermore the vertical post comprises two portions pivotably interconnected ... | 06/11/1996 |
| 5411206 | Self-righting protective structural device for a rural mailbox There is disclosed a rotatable post-arm assembly in combination with a rotatable protective cladding-rural mailbox assembly, wherein the post-arm assembly is movable axially and the arm serves as a mounting device and axle for the protective cladding-rura... | 05/02/1995 |
| 5342012 | Height adjusting mechanism for swivel chair A height adjusting mechanism for a swivel chair prevents a tightening phenomenon and involuntary adjustment of the position. The mechanism includes a supporting pillar pipe and a cylinder pipe coupled so that they can freely extend and contract relative t... | 08/30/1994 |
| 5277146 | Laterally supported flexible sign A flexible sign post for use along roadsides which allows a sign to be deflected when hit by a passing object. The sign post consists of a number of mounting brackets which are spaced apart and secured to a substantially rigid vertical sign post. Each mou... | 01/11/1994 |
| 5265838 | Hub construction for rotatable chair The invention is related to a hub construction for a rotatable chair, which automatically returns to the initial position when the chair is relieved. The hub construction comprises a vertical shaft (1) fastened to the lower side of the seat of the chair a... | 11/30/1993 |
| 5220747 | Refrigerator door biasing mechanism The biasing mechanism of a refrigerator includes a spring connected to provide biasing force in the desired directions at the appropriate degrees of door opening and an arm and roller arrangement which compliments the action of the spring. Within about 30... | 06/22/1993 |
| 5167364 | Rotatable mounting assembly for a rural mailbox A rotatable support assembly which may be easily attached directly to an existing regulation-type mailbox and to an existing ground post for the mailbox. The mailbox is attached to the top surface of an inner sleeve which is telescopically inserted in an ... | 12/01/1992 |
| 4995576 | Mounting for roadside mailbox The mailbox support-mounting disclosed has a pivoting arm. If the mounting receives a blow, e.g. from a snow-plow blade or from a vandal, the arm swings aside. After swinging aside, the arm resets itself to a central equilibrium position. The restoring fo... | 02/26/1991 |
| 4919383 | Rotating display Rotating displays include rotation mechanisms which allow the displays to be easily rotated by consumers, yet automatically returned to one or more desired positions when released by the consumer. Holders for the display are affixed to turntables rotatabl... | 04/24/1990 |
| 4909464 | Deflectable price channel-mounted sign holder A sign holder includes a frame secured to a clevis journaled on a bracket for attachment to a price channel at the edge of a display shelf for projecting the frame, and a sign carried in the frame, laterally from the shelf edge into a display position of ... | 03/20/1990 |
| 4729690 | Self-righting highway marker support and method for installing same A self-righting roadway marker support for a flexible boundary or roadway marker has a hollow anchor sleeve sunk into a supporting surface, a mounting collar secured to said anchor sleeve, a pivot strut extending through and upward from the collar, a comp... | 03/08/1988 |
| 4709894 | Slip connector for weight actuated height adjustors A slip connector is provided for swivel chairs, and other similar seating, of the type having a base, a seat rotatably supported thereon, and a weight actuated height adjustor, which engages when the seat is unoccupied to facilitate adjusting the seat hei... | 12/01/1987 |
| 4667918 | Rotatable mailbox pedestal A rotatable mailbox pedestal is disclosed having a locking mechanism configured such that after being unlocked to permit rotation, it can be relocked in a forward orientation automatically, i.e. without further manipulation of the lock. The locking mechan... | 05/26/1987 |
| 4613106 | Mechanical adjustable column An adjustable support column for chairs, stools, tables or other furniture items in which a support tube telescopically receives a mounting cylinder. The mounting cylinder is seated on a diamond threaded support rod in the support tube by means of one or ... | 09/23/1986 |
| 4487452 | Rotatable seat for an automotive vehicle A rotatable seat for a multi-passenger automotive vehicle employs a latch mechanism releasable only by manual operation of an actuating lever. The latch mechanism includes latch-and-hook assemblies at both the front and rear of the seat to prevent inadver... | 12/11/1984 |
| 4428554 | Free-standing support for a lamp or the like A stable support comprising a free-standing base, a column extending upwardly from the base and located eccentrically with respect to the vertical axis of the base, a stem extending upwardly and laterally from the upper end of the column and across the ce... | 01/31/1984 |
| 4395012 | Support for a mailbox A support unit comprises a ground base unit made of a sturdy pipe having annular washers. The holes in the washers are aligned and adapted to receive a support pipe which extends above the ground base unit for supporting an object such as a mailbox. The o... | 07/26/1983 |
| 3999702 | Mailbox standard A mailbox standard for maintaining roadside mail receptacles. Fundamentally, the invention includes a vertical post inserted into the ground and having extending therefrom, and perpendicular thereto, a horizontal member upon which the mailbox may be maint... | 12/28/1976 |
