Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7857502 | Self-winding watch including an indicator of the power reserve The present invention relates to a self-winding watch including an oscillating mass (8), the movements of which are transmitted to a spring barrel of the watch, this watch likewise including a device for indicating the power reserve comprising means (2... | 12/28/2010 |
| 7357568 | Running reserve indicator for a mechanical clockwork A running reserve indicator is provided for a mechanical clockwork provided with a main barrel for driving a gear-train and at least a second barrel for driving a gear-train allocated to an auxiliary function which is performed during a determined period. With the i... | 04/15/2008 |
| 7300200 | Timepiece having mainspring winding state display apparatus including deformed segment gear A timepiece has a mainspring winding state display apparatus for arranging a rotational center of a winding mark hand at an arbitrary pertinent position in a movement of the timeplace. The movement has a barrel complete and a speed reducing mechanism cooperatively m... | 11/27/2007 |
| 6805482 | Operation level indicator device This invention has for object to propose an operation level indicator device for watches with double spring barrels, both those with manual winding and those with automatic winding. This scope is reached by an operation level device, having two spring barrels... | 10/19/2004 |
| 6678216 | Timepiece using spring as power To provide a power accumulation structure of a simple construction, in which a planetary mechanism is not used, for a timepiece using a spring as power. A power accumulation structure of a simple construction not using a planetary mechanism is a power acc... | 01/13/2004 |
