Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
PatentStorm News
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 |
| 4400160 | Atraumatic endodontic reconstruction system and process The invention achieves its purposes with a grommet thimble incorporating a bore sleeve which may be fitted with retainer means for a sanitary dam. When this thimble is fitted into the specially-prepared entrance portion of a root canal, the retainer means... | 08/23/1983 |
| 4321041 | Miniaturized contra-angle A dental hand-piece of the type known as "contra-angle" uses a pair of helical gears on shafts that rotate on respective axes which pass by each other but do not intersect. The gears, one set of which is on a tool driver and the other set of which may be ... | 03/23/1982 |
| 4289849 | Tools for drilling, reaming and the like with simultaneous angular and linear oscillatory motions A dental contra-angle which supports a tool socket for combined motion consisting of two oscillatory movements simultaneously, one motion being a linear reciprocating motion parallel to the axis of rotation, and the other motion being an oscillatory motio... | 09/15/1981 |
| 4185384 | Dental adjustment devices A thin articulating film which is susceptible of folding, wrinkling, crimping and the like is held taut in a generally U-shaped frame to which the film is permanently affixed at a part of its periphery. The edge of the film spanning the ends of the arms o... | 01/29/1980 |
| 4173828 | Interchangeable tool operating apparatus with plural motion Novel tool operating apparatus is exemplified in a dental treatment device capable of driving alternatively at least a first tool and a second tool, each tool being intended to execute a different form of motion, with a single tool driving means to which ... | 11/13/1979 |
