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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7980456 | Pace capture device for assisting with a sporting activity The present invention includes a system and method for monitoring a user's pace and providing an indication of the user's average pace in conjunction with performing an activity. The method according to one embodiment of the present invention includes monitoring a u... | 07/19/2011 |
| 5103413 | Travel detecting apparatus A travel detecting apparatus is disclosed which generates a pulse signal in response to vehicle motion and detects the actual rate of vehicle travel in accordance with the pulse signal. The apparatus comprises a speed or RPM sensor coupled to an automotiv... | 04/07/1992 |
| 4697278 | Electronic hub odometer An electronic hub odometer employs a permanent magnet and a magnetic reed switch for recording the number of revolutions of a vehicle wheel to which the odometer is mounted. A programmable integrated circuit electrically communicates with a clock crystal ... | 09/29/1987 |
| 4680454 | Odometer for golf cart An odometer for use by a golfer in the measurement of distance covered by each shot. The odometer attaches to the wheel of the cart and counts revolutions or parts of a revolution of the wheel through the use of a magnetic head that rotates past a Hall ef... | 07/14/1987 |
| 4563574 | Hub odometer A hub odometer having a protective case adapted to be mounted axially on an axle cap of a vehicle with a substantially cylindrical carrier plate rotatably mounted in the case for supporting a counting mechanism having figure wheels. The shaft of the figur... | 01/07/1986 |
| 4510379 | Control device for recording distance measuring instrument attached to a vehicle hub A control device for an instrument (10) attached to a vehicle wheel hub for recording the distance covered by the vehicle comprises a counting mechanism with several number-carrying wheels (25), a stamping mechanism (29,30) for stamping cards, a means (14... | 04/09/1985 |
| 4156131 | Hub odometer damping mechanism A hub odometer having a pendulous recording mechanism with loose ball anti-orbiting means with two damping balls mounted within a radial ball track diametrally of the center of gravity of the pendulous recording mechanism and having a width in the circumf... | 05/22/1979 |
| 4140899 | Recording distance measuring instrument attached to a vehicle hub A distance measuring meter includes counting wheels which are indexed by transfer pinions mounted on an axle parallel to the axis of the counting wheels. In order to prevent fraud by rotating the counting wheels back so as to decrease the distance display... | 02/20/1979 |
| 4135713 | Revolving skipping device and counter A revolving skipping device has a crank with end portions connected to flexible loops over which a skipper may jump. The device includes a counter having a ratchet face with numerals indexed by one end of a pivoted pawl having a weighted mass on the other... | 01/23/1979 |
| 4102074 | Counting device impulse activator with torque limiter This invention comprises an actuator for a mechanical counting device for cording and storing data. This actuator includes a weight having an eccentric center of mass which is freely pivotable in one plane within pre-set limits in response to an externall... | 07/25/1978 |
| 4101762 | Recording distance measuring instrument at vehicle wheel hub A hub meter for recording distance covered includes a housing and counter both of which rotate, along with a hub of a wheeled vehicle. A shaft is held generally stationary, with respect to the hub by an annular pendulum, fixed to the shaft and containing ... | 07/18/1978 |
| 4083489 | Recording distance measuring instrument at vehicle wheel hub A distance measuring device for attachment to the hub of a vehicle wheel includes a pendulum, which remains generally stationary, as the hub rotates. A counting mechanism rotates with the hub, and is coupled through a worm wheel and lost-motion mechanism ... | 04/11/1978 |
