"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7682258 | Sound producing play apparatus An apparatus includes a support member, a moveable member supported by the support member, a user support mechanically associated with the moveable member, and a sound producing mechanism that produces sound as a result of movement of the moveable member between a f... | 03/23/2010 |
| 7413516 | Teeter-totter A teeter-totter is constructed with a pair of seats mounted at opposite ends of a rocker beam. The seats, when aligned horizontally, are below the pivot point so as to provide a pendular component of motion. The pivot is supported on an overhead framework and the ro... | 08/19/2008 |
| 7377856 | Playground apparatus A playground apparatus comprising at least three separate elongated plank extending in a generally horizontally spaced end-to-end relationship, at least one pivotal support member for pivotally supporting each of the elongated plank in vertically spaced relationship... | 05/27/2008 |
| 7252290 | Game method and apparatus A game method and apparatus includes an elongated game board having a platform attached to each of two ends. The game board pivots on a fulcrum in a seesaw type fashion. The game board can be adjustably attached to the fulcrum to compensate for the weight differenti... | 08/07/2007 |
| 7220184 | Adjustable seesaw A seesaw includes a manually rotatable actuator for adjusting the balance of the seesaw to accommodate a weight differential between two riders. After adjusting the seesaw, the actuator automatically locks the adjustment mechanism in place. A rack-and-pinion assembl... | 05/22/2007 |
| 7201709 | Training apparatus A training apparatus is disclosed. An illustrative embodiment of the training apparatus includes a base frame, a saddle pivotally carried by the base frame and a handle pivotally carried by the base frame and engaging the saddle. ... | 04/10/2007 |
| 7156789 | Mobility assist A mobile apparatus for assisting a person with limited mobility. The apparatus is also for developing a higher level of mobility in a person having low mobility. The person may be assisted by the apparatus when walking. The apparatus includes a seating surface resil... | 01/02/2007 |
| 7118514 | Playground equipment A playground device, in the nature of a teeter-totter, includes first and second spaced base members. An arcuate rail is coupled to the base members in an upright arc. An arcuate member surrounds at least a portion of the rail and is mounted for to-and-fro movement ... | 10/10/2006 |
| 7047906 | Bird perch assembly A bird perch assembly has a polygonal base that perpendicularly supports an upwardly projecting structure that resembles a tree canopy and provides a comfortable perch and play area for pets, preferably exotic birds. A vertically upright, supporting post supports up... | 05/23/2006 |
| 6991549 | Sound producing play apparatus An apparatus includes a support member, a moveable member supported by the support member, a user support mechanically associated with the moveable member, and a sound producing mechanism that produces sound as a result of movement of the moveable member between a f... | 01/31/2006 |
| 6722996 | Moving uplift apparatus A moving uplift apparatus is provided which enables the user to utilize the device as a piece of playground or backyard play equipment commonly known as a see-saw. The apparatus includes a frame structure, a user support mechanism, and a user engagement mechanism. T... | 04/20/2004 |
| 6712709 | Teeter-totter A playground apparatus having at least one support base for stabilizing the apparatus. A plurality of pockets are formed within the support base. The playground apparatus also includes at least one side member disposed within the pockets. A plurality of fasteners se... | 03/30/2004 |
| 6709340 | Inflatable recreational device An inflatable rocking recreational device includes an inflatable main body having a generally arc-shaped bottom surface for resting in water or on a surface such as the ground or a floor, and on which the device can be rocked. The device can include a plurality of c... | 03/23/2004 |
| 6383083 | Pivoting uplift apparatus A pivoting uplift apparatus is provided which enables the user to utilize the device as a piece of playground or backyard play equipment commonly known as a see-saw. The apparatus includes a frame structure means, a user support means, and a user engageme... | 05/07/2002 |
| 5512018 | Wheeled seesaw device A wheeled seesaw amusement device having a tubular frame with telescopic sections capable of having vary length. The tubular sections interconnect at opposite ends to form contact sections with the ground. The frame is supported by an axle mounting a pair... | 04/30/1996 |
| 5447474 | Game apparatus with multiple playing modes A game apparatus with multiple playing modes includes a base unit, a plank support mounted uprightly on the base unit, and an elongated plank unit. The plank support includes a pair of parallel upright plates, a balancing seat which extends between top en... | 09/05/1995 |
| 5441454 | Water totter A water teeter-totter is provided having a seating member for two or more persons. The seating member is pivotally mounted to a floating, buoyant support member, such as one defined by a pair of pontoons. The seating member is rockable relative to the flo... | 08/15/1995 |
| 5403239 | Wheeled seesaw device A wheeled seesaw amusement device having a tubular frame with telescopic sections capable of having vary length. The tubular sections interconnect at opposite ends to form contact sections with the ground. The frame is supported by an axle mounting a pair... | 04/04/1995 |
| 5387158 | All around playground kit There is disclosed a play kit of detachable plastic components capable of forming either a slide assembly or a teeter assembly. The kit includes an elongated plastic playboard as a basic playing element. The latter has a wavy configuration and is preferab... | 02/07/1995 |
| 5364313 | Child entertainment device A child's amusement device having a torsible beam with the torsible beam having a child-support surface for a child to sit or stand on with pivotal supports spaced about and supporting the periphery of the torsible beam, with the torsible beam having suff... | 11/15/1994 |
| 5238455 | Omni-directional rocking apparatus An omni-directional rocking apparatus includes a rocking base assembly and seating assembly. The rocking base assembly comprises at least two arched transverse members with distally disposed contoured stops adapted to limit the range of rocking motion in ... | 08/24/1993 |
| 5217411 | Mr. see saw A musical seesaw is provided and consists of a music box carried within hollow cylindrical post mounted on a base which is placed on a flat surface. When an elongated plank which is centrally carried between upper ends of a pair of spaced standards extend... | 06/08/1993 |
| 4896877 | Incrementally rotatable teeter-totter A teeter-totter is disclosed that simultaneously incrementally rotates as it pivots up-and-down. The teeter-totter comprises a base having a fulcrum about which a beam is pivotally mounted for up-and-down movement. The beam is coupled to the fulcrum by a ... | 01/30/1990 |
| 4877237 | Multipurpose structure A multipurpose structure apparatus includes a frame and a roof supported on the frame. A swing is movably supported to the roof in one position and is held adjacent the roof in a raised second position. A table and bench section are stored on the structur... | 10/31/1989 |
| 4804176 | Multipurpose structure A multipurpose structure apparatus includes a frame and a roof supported on the frame. A swing is movably supported to the roof in one position and is held adjacent the roof in a raised second position. A table and bench section are stored on the structur... | 02/14/1989 |
| 4288071 | Pneumatic seesaw apparatus An elongated unitary inflatable vessel of thin, flexible sheet material includes a pair of relatively large volume, generally circular-shaped, hollow seats at opposite ends interconnected by an integrally formed central conduit of relatively smaller trans... | 09/08/1981 |