Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892668 | Apparatus for forming a photosensitive element having a layer of particulate material | Roxy N. Fan | 2005-05-17 |
| 6777163 | Process for forming a photosensitive element having a layer of particulate material | Roxy N. Fan | 2004-08-17 |
| 6425327 | Method for forming a cylindrical photosensitive element | Roxy N. Fan | 2002-07-30 |
| 5939845 | Method for controlling tenter clip gap spacing during simultaneous biaxial stretching using linear synchronous motors | — | 1999-08-17 |
| 5771547 | Tenter clip cleaning method and apparatus | Albert W. Forrest, Jr., Paul G. Jennings | 1998-06-30 |
| 5441252 | Method for separating and stacking lanes of sheets | — | 1995-08-15 |
| 5354047 | Method for separating a sheet from an array of sheets conveyed along a vacuum conveyor using diverting nozzles | Doyle D. Chesnutt, James A. Holler, Arnold C. Sheldon, II | 1994-10-11 |
| 5295586 | Apparatus for separating a sheet from an array of sheets | Doyle D. Chesnutt, James A. Holler, Arnold C. Sheldon, II | 1994-03-22 |
| 5072493 | Apparatus for drawing plastic film in a tenter frame | John J. Keegan, Jr. | 1991-12-17 |
| 5051225 | Method of drawing plastic film in a tenter frame | John J. Keegan, Jr. | 1991-09-24 |
| 5022297 | Method and apparatus for preparing sheet stacks | Alfred Schmidt | 1991-06-11 |
| 4922142 | Method and apparatus for controlling the carriage of a linear motor | Paul W. Givler, Jr., Cobern V. Peterson, Madison A. Culver | 1990-05-01 |
| 4853602 | System for using synchronous secondaries of a linear motor to biaxially draw plastic films | John J. Keegan, Jr. | 1989-08-01 |
| 4825111 | Linear motor propulsion system | John J. Keegan, Jr. | 1989-04-25 |
| 4675582 | System useful for controlling multiple synchronous secondaries of a linear motor along an elongated path | John J. Keegan, Jr. | 1987-06-23 |