Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7237408 | Flexible surface mold and method of use | Robert G. Frank, William B. Zimmerman | 2007-07-03 |
| 6582799 | Laminated transparency | C. Edward Brown, William S. Cunningham, Vaughn R. Imler, Alana R. Zajdel, William B. Zimmerman | 2003-06-24 |
| 5833729 | Method and apparatus for bending glass sheets | Olivier Meunier, Philippe Scandella, Robert G. Frank, William B. Zimmerman | 1998-11-10 |
| 5656055 | Sheet shaping press | Robert G. Frank, Jean Florean | 1997-08-12 |
| 5507852 | Glass sheet quench | Robert G. Frank, DeWitt W. Lampman | 1996-04-16 |
| 5320661 | Method and apparatus of bending glass sheets | Robert G. Frank | 1994-06-14 |
| 5286271 | Method and apparatus for bending glass sheets | Richard E. Rueter, Robert G. Frank | 1994-02-15 |
| 4767437 | Horizontal press bending using a splitting vacuum/pressure pickup | DeWitt W. Lampman, George R. Claassen | 1988-08-30 |
| 4737182 | Glass sheet press support and alignment systems | Joseph C. Pavlik, John J. Ewing | 1988-04-12 |
| 4711653 | Innovative press bending of thermoplastic sheets | Robert G. Frank, George R. Claassen, Thomas L. Waterloo, Stephen J. Schultz | 1987-12-08 |
| 4666496 | Shuttling support frame for vacuum pickup | John J. Ewing, Joseph C. Pavlik | 1987-05-19 |
| 4666492 | Method and apparatus for shaping glass sheets | Edward A. Thimons, Robert G. Frank, George R. Claassen, John J. Ewing, Samuel L. Seymour +1 more | 1987-05-19 |
| 4666493 | Sheet positioning system | Robert G. Frank, Joseph C. Pavlik | 1987-05-19 |
| 4662925 | Horizontal press bending of heat softened glass sheets | Edward A. Thimons, Robert G. Frank, George R. Claassen, John J. Ewing, Samuel L. Seymour | 1987-05-05 |
| 4661139 | Vacuum pressing of glass doublets | Thomas J. Reese, John J. Ewing, Robert G. Frank, Terry A. Bennett | 1987-04-28 |
| 4579573 | Forming glass sheets of specialized asymmetric configurations | John J. Ewing | 1986-04-01 |
| 4564380 | Antibacklash conveyor drive mechanism | Gary V. Cannon, Gayland S. Beresik | 1986-01-14 |
| 4556408 | Dual ring segmented block tempering ring | Robert G. Frank, John J. Ewing | 1985-12-03 |
| 4556407 | Tempering ring with pivoting glass sheet support member | Robert G. Frank, John J. Ewing, Andrew C. Siminerio | 1985-12-03 |
| 4539031 | Apparatus for press shaping hot glass sheets | Terry A. Bennett, John J. Ewing | 1985-09-03 |
| 4526605 | Vacuum mold for shaping glass sheets | Robert G. Frank, John J. Ewing | 1985-07-02 |
| 4525196 | Glass sheet handling devices | John J. Ewing, Edward I. Mates | 1985-06-25 |
| 4518411 | Shaping glass sheets to complicated shapes using special lift mold | Robert G. Frank, George R. Claassen | 1985-05-21 |
| 4501603 | Method and apparatus for shaping glass sheets to complicated shapes | Robert G. Frank, John J. Ewing | 1985-02-26 |
| 4470835 | Shaping sheets of glass or other deformable material to a complicated curvature | Robert G. Frank, John J. Ewing, George R. Claassen | 1984-09-11 |