"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Number | Title | Issue Date |
| 6694869 | Vertical baler using elongated beam compression construction A vertical baler includes a horizontally disposed floor plate having an arched surface for receiving material to be compacted thereon. A compression plate is mounted for reciprocating vertical movement with respect to the floor plate, and left and right h... | 02/24/2004 |
| 6533073 | Checkout counter construction and method employing bag well feature A checkout counter construction and method employs a bag well feature using a cover member which is movable between a first, closed and latched position and a second, open position without using springs, pneumatic cylinders or any electrical connection, a... | 03/18/2003 |
| 6155381 | Checkout counter with transfer plate construction A construction for checkout counters useful with security and payment equipment which permits a customer to conduct price scans and enter payment without the assistance of a cashier includes intake, security and packaging modules, with the security module... | 12/05/2000 |
| 5819645 | Baler feed gate safety sequencing circuit A baler feed gate safety sequencing circuit which prevents successive operation of a compactor baler with the feed gate in the open position. The circuit requires the raising and lowering of the feed gate after each compaction cycle for operation of the b... | 10/13/1998 |
| 5706912 | Checkstand counter with dual accumulation zones A checkout stand or counter for accumulating a number of discrete items having a primary conveyor to deliver items to a primary accumulation zone at the far end and exterior side of the upper surface, a secondary conveyor to deliver items to a secondary a... | 01/13/1998 |