U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."

Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830

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Examiner: Frazler, Mark

Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 1 patents; average approval time: 453 days

Patent No.

Patent Title:

No patents.

Patent No.	Patent Title:
4955164	Method and apparatus for drilling small diameter holes in fragile...