Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 5879159 | Portable high power arc lamp system and applications therefor A portable, high power arc lamp system for composite curing and tooth whitening applications utilizes battery cells to power a lamp, such as a short-arc xenon lamp. The use of battery power allows for a high power system without the need for costly compon... | 03/09/1999 |
