Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5133158 | Control system of grinding machine The control system is provided in a grinding machine composed of an axially movable rotational shaft having a grinding tool and being supported magnetically by electromagnets. The control system includes a target position modifying controller for modifyin... | 07/28/1992 |
| 5113621 | Accuset micrometer lathe An apparatus is described that converts a manual adjustment procedure of a lathe on an existing pulp-grinding machine into an automated electronic procedure. The pre-existing lathe has a sharpening burr affixed to a movable plunger. The plunger is manuall... | 05/19/1992 |
| 5065733 | Dressing tool for form dressing of a grinding wheel A dressing tool for form dressing of a grinding wheel comprising a cylindrical body 22 having an open groove 32 formed at one end; said open groove 32 adapted for insertion, seating, and clamping of a chisel-edge diamond 36; said chisel-edge diamond being... | 11/19/1991 |
| 4784108 | Grinding wheel dressing apparatus An apparatus for dressing a grinding wheel which utilizes a pair of cutting tools which are mounted in an in-line facing relationship with the grinding wheel to be located between the tools. These tools are to be moved to simultaneously engage the side wa... | 11/15/1988 |
| 4085554 | Method to dress a grinding wheel A method of dressing a grinding wheel in which a dressing tool repeatedly traverses across the grinding wheel for successively dressing it. A force developed between the dressing tool and the grinding wheel during each traverse of the dressing tool across... | 04/25/1978 |
| 4023552 | Method of dressing the grinding wheel in a sharpener for twist drills A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180° about its axis, and st... | 05/17/1977 |
| 4004568 | Method and apparatus for dressing regulating wheels for centerless grinders Method and apparatus for automatically dressing a regulating wheel to the required curvature for a centerless grinding operation. A dressing wheel is mounted for rotation about an axis which is inclined to a reference axis. The regulating wheel is mounted... | 01/25/1977 |
