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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| Number | Title | Issue Date |
| 7363923 | cooking range assembly and monolithic drip pan A cook top includes a one-piece drip pan beneath all burners for collecting spillage and drips originating at the burners. Burner assemblies having burners therein are located by and supported on the drip pan. Grates are provided above the burners and have chamfered... | 04/29/2008 |
| 6978778 | Gas grate locating assembly for a ceramic-based cooktop A cooking appliance having a ceramic-based cooktop and a plurality of gas cooking elements is provided with a grate locating assembly which includes a plurality of apertures formed at spaced locations in the cooktop, a plurality of spaced feet projecting downward fr... | 12/27/2005 |
| 4424795 | Heater box for use as an improved portable soldering furnace unit The present invention is a heater box for use in combination with a heating unit in an improved portable soldering furnace which includes a casing having a base and a hood which covers the base. The base has a first compartment wherein a soldering iron, h... | 01/10/1984 |
| 4340029 | Portable soldering iron heater system A light weight, portable, and self-contained soldering iron heating device in which one or more propane gas containers or equivalent provide fuel to two burners through a manifold which has independent burner fuel controls. The burners are located in a fi... | 07/20/1982 |
| 4215947 | Ski servicing and repairing tool A tool assembly is provided for maintaining and repairing the runner surfaces and edges of skis. The basic unit of the assembly is a hand held tool to which blades may be attached for planing or scraping the running surface and longitudinal center groove ... | 08/05/1980 |
