...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6409718 | Device and method for correcting astigmatism by laser ablation A method for correction of a simple astigmatism of a corneal surface of an eye is provided. The method provides a laser operable to produce a pulsed output laser beam. A scanning mechanism is positioned to operatively receive the pulsed output laser beam ... | 06/25/2002 |
| 6344039 | Device for eliminating parallax of stereo microscopes during refractive laser surgery A device for eliminating decentration error due to parallax during ophthalmic laser surgery comprises a stereo microscope having a first ocular and a second ocular and an objective lens for viewing a patient's eye, a laser for projecting a laser beam at a... | 02/05/2002 |
| 6263007 | Pulsed discharge gas laser having non-integral supply reservoir A laser assembly, particularly one employing a gas lasing medium, has at least one lasing gas supply reservoir that is separate from the housing enclosure for the laser's optical cavity. A flexible or semi-flexible conduit supplies lasing gas from the res... | 07/17/2001 |
| 6132424 | Smooth and uniform laser ablation apparatus and method A laser beam delivery apparatus and a method for smoothly and uniformly ablating tissue, e.g., for reshaping a cornea of an eye, even in the face of real-world conditions such as a moving eye. The method includes defining a plurality of scan lines in an a... | 10/17/2000 |
| 6010497 | Method and apparatus for controlling scanning of an ablating laser beam A laser beam delivery system and a method for ablating tissue, e.g., for reshaping a cornea of an eye is provided. The laser beam delivery system directs a laser beam on the tissue to be ablated in a predetermined pattern according to the principles of th... | 01/04/2000 |
| 5997529 | Compound astigmatic myopia or hyperopia correction by laser ablation An apparatus is provided for performing corneal refractive surgery by ablating a portion of a corneal surface of an eye. The apparatus includes a pulsed laser for producing a pulsed output beam of light. A scanning mechanism scans the output beam, and the... | 12/07/1999 |
| 5947955 | Active eye movement and positioning control device A device for controlling the position of a patient's eyes during ophthalmic laser surgery is disclosed which comprises a first fixation object positioned within view of the patient's eye that is undergoing treatment, a second fixation object positioned wi... | 09/07/1999 |