Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Application No. | Application Title | Issue Date |
| 20120031392 | HEATING APPARATUS WITH FAN A heating apparatus can have a sealed combustion chamber, a burner, and various air channels to direct air into the sealed combustion chamber and to provide heated air to the desired area or environment such as an interior room. A channel can direct a flow of air along ... | 02/09/2012 |
| 20110289853 | DOOR LATCH SYSTEM AND METHOD A door latch system for a heating system is provided. The door latch system may be installed with a fireplace, wood stove, pellet stove, or other suitable system. The door latch system comprises a handle, a handle head and a catch. The handle head may be configured to e... | 12/01/2011 |
| 20080276927 | Decorative Fireplace Screen and Method of Manufacture A decorative fireplace screen for a fireplace having a fireplace opening, and a method of manufacture therefor are disclosed. Decorative screens of the invention may also be for other purposes. The fireplace screen includes a planar main member, a decorative design appl... | 11/13/2008 |
| 20070000486 | Systems and methods for protective seating A method for covering a fireplace hearth includes: lifting a hearth guard, said hearth guard comprising a frame having at least four inner surfaces including a first inner surface, a second inner surface, a third inner surface, and a fourth inner surface; and placing th... | 01/04/2007 |
