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 |
| 5195433 | System for printing documents with a post-marking roller A system for printing a document (1) comprises a first motor (5) for driving the document with respect to the frame along a first horizontal direction, the document being vertically arranged; a printer (7) coupled to a vertical linear displacement system ... | 03/23/1993 |
| 5181461 | Round baler starter roll having easily changeable surface elements for modifying the aggressiveness of the roll The starter roll of a baler for rolling crop products into a large cylindrical bale has, in accordance with a first embodiment, a pair of ribs coated with or made of rubber or another friction enhancing material that are releasably attached to the roll fo... | 01/26/1993 |
| 5080509 | Envelope printing mechanism The elements of a printing mechanism, including a platen, print head and drive motors, are constructed and arranged to provide a clearance permitting an envelope to remain entirely in a flat condition in a plane tangent to the platen at the location of th... | 01/14/1992 |
| 4461587 | Embossing machine having a movable carriage for character and like spacing Conveying apparatus for embossing machines for producing printing plates for address printing machines or for identification means made out of sheet metal or plastic material. The embossing machine conveying apparatus is capable of moving the printing pla... | 07/24/1984 |
| 4426164 | Line spacer for metal stamping devices An adjustable gearless line spacer for use with metal stamping typewriter apparatuses where it is desirous to uniformly space each line of type through a simple lever actuation, and to be able to conveniently adjust and preset the spacing between lines of... | 01/17/1984 |
| 4024942 | Printer with a paper guide separate from the printer frame The printer has a printer frame, at least a printing head, a platen and a paper guide. The platen is formed integrally with a frame body in which the paper guide is incorporated so as to form an assembly separate from the printer frame, while the printing... | 05/24/1977 |
