Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7036887 | Chair with attached footrest for putting on and removing footwear A chair with back and arms, adapted for putting on and removing footwear, wherein the seat is located approximately twenty-two inches above the local grade and wherein the arms extend approximately twenty-two inches from the back; consisting also of a stationary, ou... | 05/02/2006 |
| 6659543 | Convertible bench and table assembly A convertible bench comprises a seat, a backrest and a pair of armrests extending between the seat and the backrest. Each armrest has a first end portion extending from the backrest and a second opposed end portion pivotally mounted to the seat for allowi... | 12/09/2003 |
| 5718475 | Pivotal support assembly for a convertible bench/table container apparatus A convertible bench/table container apparatus is disclosed in one presently preferred embodiment of the present device as including a support container assembly having an internal storage chamber disposed therein for the purpose of storing children's toys... | 02/17/1998 |
| 5609391 | Convertible bench/table container apparatus A convertible bench/table container apparatus is disclosed in one presently preferred embodiment of the present invention as including a support container assembly having an internal storage chamber disposed therein for storing children's toys, clothing, ... | 03/11/1997 |
| 5398990 | Convertible bench/table apparatus A convertible bench/table apparatus in one embodiment of the present invention as including a seat member, a means for supporting the seat member, and a backrest/tabletop member. Connected to the means for supporting the seat member is an armrest assembly... | 03/21/1995 |
| 5292172 | Convertible bench/table apparatus A convertible bench/table apparatus in one embodiment of the present invention as including a seat member, a means for supporting the seat member, and a backrest/tabletop member. Connected to the means for supporting the seat member is an armrest assembly... | 03/08/1994 |
