Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645059 | Device for retaining abrasive pad on lap in eyeglass lens making apparatus | Douglas J. Roberts, Jonathan Dooley, Michael J. Goulet, Jeffrey Murray | 2003-11-11 |
| 6561886 | Device for retaining abrasive pad on lap in eyeglass lens making apparatus | Douglas J. Roberts, Jonathan Dooley, Michael J. Goulet, Jeffrey Murray | 2003-05-13 |
| 6464559 | Device for retaining abrasive pad on lap in eyeglass lens making apparatus | Douglas J. Roberts, Jonathan Dooley, Michael J. Goulet, Jeffrey Murray | 2002-10-15 |
| 6375554 | Retaining mechanism for lapping device | Jeffrey Murray, Jonathan Dooley | 2002-04-23 |
| 5980360 | Method and apparatus for performing work operations on a surface of one or more lenses | Jeffrey Murray, Jonathan Dooley, Paul Estabrooks | 1999-11-09 |
| 5911415 | Collecting cassette for use with a media sheet handling system | Alan W. Menard, Joseph Conlan | 1999-06-15 |
| 5553839 | System for handling curved form media and cassette therefor | Joseph Conlan, Philip W. Cenedella | 1996-09-10 |
| 5484139 | System for handling curved form media and cassette therefor | Philip W. Cenedella, Joseph Conlan | 1996-01-16 |
| 5189936 | Conveyor for supporting and advancing sheet material and cutting machine including such conveyor | Heinz J. Gerber | 1993-03-02 |
| 5119704 | Combined cutting machine and take-off table | — | 1992-06-09 |
| 5020405 | Apparatus with moveable pins for spreading and cutting layups of sheet material | Kevin A. Pearl, Russell Moskwa | 1991-06-04 |
| 4924727 | Cutting machine having balanced reciprocating cutter drive mechanism | David R. Pearl | 1990-05-15 |
| 4915012 | Control scheme for apparatus with moveable rail section | Harold L. Osthus, John F. de Raismes | 1990-04-10 |
| 4840123 | Conveyorized apparatus with moveable rail section | Harold L. Osthus, John F. de Raismes, Robert M. Vaida | 1989-06-20 |
| 4730526 | Conveyorized vacuum table for feeding sheet material | David R. Pearl | 1988-03-15 |
| 4727979 | Conveyor hanger with a plurality of movable grip elements | David R. Pearl, Richard P. Ray, Roald P. Nymark, Harold L. Osthus, David Vickers | 1988-03-01 |
| 4646911 | Conveyorized vacuum table for feeding sheet material | David R. Pearl | 1987-03-03 |
| 4603777 | Conveyor hanger with spring clip gripper | David R. Pearl | 1986-08-05 |
| 4580705 | Conveyor hanger with rotating gate gripper | David Vickers | 1986-04-08 |
| 4476756 | Apparatus for working limp sheet material on a conveyor | David R. Pearl | 1984-10-16 |