Theo and Wayne Hart received a patent for a ponytail hair clasp.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4334544 | Ear lobe clip with heart beat sensor A pair of generally parallel spaced plastic arms are pivoted to each other at their central portions by interleaved pairs of tabs having a pivot pin extending therethrough. A light coil spring on the pivot pin biases one pair of opposite ends of the arms ... | 06/15/1982 |
| 4322078 | Bowling pin base An exterior lock groove is formed in the bowling pin base insert and the insert is locked in place by flow of the exterior plastic coat on the pin into the groove.... | 03/30/1982 |
| 4316608 | Leg and hip sled exerciser A combination hip and leg sled exerciser having an adjustable toe rest when used as a leg exerciser, and an adjustable body board when used as a hip sled.... | 02/23/1982 |
| 4310157 | Tennis racket A short tennis racket having an oblong, oval shaped head.... | 01/12/1982 |
| 4300759 | Inflatable aquatic exerciser Multi-chambered air inflatable aquatic exercise jackets for the arms and legs constructed from plastic sheet material.... | 11/17/1981 |
| 4285419 | Brake clutch release control for belt driven riding mowers In a riding mower having a clutch controlled belt drive and foot brake, linkage between the brake and clutch having lost motion insures that the clutch is disengaged whenever the brake is applied.... | 08/25/1981 |
| 4279040 | Diving mask A diving mask comprising an eyeglass mounting frame; an outer frame made in two pieces which can be connected together by means of coupling members; and a rubber face piece provided with a front aperture, the peripheral rim of which overlaps the outer rim... | 07/21/1981 |
| 4279174 | Single lever 10-speed bicycle shifter The shift mechanism is incorporated into the handlebar stem which goes into the front fork stem.... | 07/21/1981 |
| 4275882 | Home exercise gym A hydraulic shock absorber has an adjustable connection to the exercise lever to provide variable resistive forces to exercise, and alternately the shock can be mounted to the exercise lever as a dead weight and a pulley-cord system added, so that a multi... | 06/30/1981 |
| 4275885 | Tennis racket The head of the tennis racket has an oblong, oval shape so that the strung ball hitting area has a length to width ratio of about 1.75:1.... | 06/30/1981 |
| 4274626 | Exercise floor 4×8 Plywood sections are interconnected by a system of tabs and latches, and a spring suspension system is provided beneath the interconnected sections.... | 06/23/1981 |
| 4272073 | Aluminum balance beam The invention relates to a gymnastic balance beam of extruded aluminum with a bottom and end closures. The beam is of a general U-shape with the bottom plates secured to a flanged portion of the beam. The beam can be selectively covered with padding if de... | 06/09/1981 |
| 4257588 | Exercise bicycles A dual-crank type upper body and arm exerciser attachment readily attachable to existing exerciser bicycles, and in which the drag brake for the arm exerciser comprises an incompressible sleeve of rubber or elastomeric material pressed against the crank a... | 03/24/1981 |
| 4255879 | Snow blower dead man control A mechanical dead-man type control for the snow blower auger and wheels but without killing the engine.... | 03/17/1981 |
| 4226412 | Hand exerciser A long slotted sleeve holds the two U-shaped members together and serves dual function of a guide and stop. Tension springs extend between the two cross portions of the U-shaped members to provide resistance.... | 10/07/1980 |
| 4205468 | Remote control snow blower discharge chute deflector The discharge chute deflector is operated in both directions by positive means comprising a pull cable for elevating it and a spring for lowering it, the spring being tensioned when the deflector is raised, by a rod connected to the deflector and spring.... | 06/03/1980 |
| 4201177 | Compound bow Compound bow having two eccentric wheels or cams at each end. One of the wheels may be quickly manually adjusted with respect to the other without disassembling the strung bow to adjust the magnitude of drop off at full draw without significantly changing... | 05/06/1980 |
| 4192034 | Bowling ball cleaner with pneumatic control of ball lift, brushes and cleaning compound A bowling ball cleaner having pneumatic movement of the ball lift and a cotton strand brush, and atomized deposit of cleaning compound to the brush.... | 03/11/1980 |
| 4189144 | Golf club A golf club of a predetermined swingweight and having a reduced total weight and reduced moment of inertia as compared to conventional clubs of the same swingweight. In construction, the golf club has a butt end section of reduced weight, and the weight o... | 02/19/1980 |
| 4159614 | Lawn mower controls The rear wheels of a rotary mower are driven off the blade shaft by a compact and cylindrical speed reducer mounted directly on the rear wheels drive axle. The speed reducer is drive connected to the blade shaft by a variable pulley-belt system to provide... | 07/03/1979 |
| 4158280 | Rotary lawn mower A walk-behind rotary lawn mower having a sliding drawer type grass catcher box mounted directly on the rear part of the deck behind the engine and between the U-shaped handle and rear wheels. A cover fixedly mounted on the handle closes the top of the box... | 06/19/1979 |
| 4149762 | Self-leveling dispenser A pair of movable joined scissors are positioned between the base and dispenser table by being roller-guide connected thereto, and the main compression springs are tied to the scissors axis, and the scissors are centered by tension springs connected to th... | 04/17/1979 |
| 4099366 | Lawn mowers Streaking is eliminated in a rear discharge twin-bladed grass cutter by a baffle between the two blades.... | 07/11/1978 |
| 4099715 | Bowling ball Top weight and/or total weight are adjusted by drilling a hole into the ball along a diameter passing through the center of the top weight area and the center of gravity of total ball weight. Weighted plugs are then located at the two centers by an interv... | 07/11/1978 |
| 4079722 | Archery bow with adjustable loop to cleat connections on bow string sections A compound archery bow having a central stretch of a bow string with loops at its opposite ends and is adjustably connected at its opposite ends to the opposite ends of the bow cable by being hooked onto any one of an integral series of cleats affixed to ... | 03/21/1978 |
| 4066154 | Self-adjusting bike brake operating mechanism The handle mechanism for operating the bike brake cable has a ratchet-pawl controlled cable drum built into it for automatically adjusting for brake shoe wear.... | 01/03/1978 |
| 4062716 | Apparatus for programming the deposition of material on a tire surface A programming apparatus for use with a machine applying successive wraps of rubber on a tire surface during a retreading operation. The contour of the layers to be deposited is translated upon a template device by positioning of select metallic contacts. ... | 12/13/1977 |
| 4055093 | 10-Speed bicycles The 10-speed bicycle has a single manually movable control member for all 10 speeds.... | 10/25/1977 |
| 4053265 | Mold for retreading pneumatic tires A resilient mold and a method for retreading tires using such mold which has an inner face of a normal, unstretched diameter which is smaller than the outer diameter of a tire tread. The mold is in the shape of a ring and has, on its inner side or face, a... | 10/11/1977 |
| 4051648 | Engine shroud for rotary lawn mower In a rotary lawn mower the engine on the deck is completely shielded by an engine shroud, and the engine exhaust is below the mower deck.... | 10/04/1977 |
| 4043102 | Safety features for rear bagging mower In a rear bagging mower the rear discharge is automatically closed by a door unless the bag is locked in grass catching position, and the bag and door cooperate with an engine kill switch so that the engine will run only if the door is closed or the bag i... | 08/23/1977 |
| 4044083 | Method of making plastic ski A snow ski having a plastic foam core formed in situ between preformed top and bottom subassemblies.... | 08/23/1977 |
| 4002166 | Bypassed scuba regulator The regulator control chamber is bypassed by a bypass tube conducting the incoming air directly to the mouthpiece.... | 01/11/1977 |
| 3990425 | Compound bow In a compound bow the eccentric wheel assemblies at the limb ends are cross-coupled by the bow stringing so that they are constrained to move in unison so that the bow is self-tuning. Each wheel assembly has three grooved wheels rotatable on a common axis... | 11/09/1976 |
| 3968964 | Vaulting board The vaulting board has leaf springs with rollers at their opposite ends, and the effective length of the leaf springs can be changed by changing the roller spacing.... | 07/13/1976 |
| 3969557 | Fiberglass vaulting pole The vaulting pole has at least three layers, two of the layers comprising fiberglass tape helically wound along the pole into a succession of butt-jointed turns with the fibers thereof extending primarily lengthwise of the tape but the turns of the two la... | 07/13/1976 |
| 3958551 | Compound bow Pairs of individually changeable cam wheels at the tips of a compound bow for selective adjustment of the weight and draw length of the bow. The wheels have halves having different size grooves, said halves being interchangeable thus offering a full range... | 05/25/1976 |
| 3948518 | Football A football including a wound bladder, a rubber layer including seams, and leather panels having square edges abutting the sides of the seams. The rubber layer has a thickness which gradually increases from a minimum midway of the seams to a maximum at the... | 04/06/1976 |
| 3949190 | Heated tube for drop-in dispenser The wiring and controls for the heated tube are housed in a lengthwise extending channel, and this channel fits into one of the upright U-shaped structural members of the drop-in dispenser.... | 04/06/1976 |
| 3930658 | Plastic ski and method of making the same A snow ski having a plastic foam core formed in situ between preformed top and bottom subassemblies.... | 01/06/1976 |