Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186382 | Microchip apparatus | Tobias Preckel | 2007-03-06 |
| 6583930 | Birefringent interference polarization | Victor S. Chang, John A. Wheatley | 2003-06-24 |
| 5872653 | Birefringent interference polarizer | John A. Wheatley, Victor S. Chang | 1999-02-16 |
| 5628950 | Method and apparatus for producing multilayer plastic articles | Ranganath K. Shastri, Herbert C. Roehrs, Ralph E. Ayres, Mark A. Barger, Jeffrey Nicholas Bremmer | 1997-05-13 |
| 5612820 | Birefringent interference polarizer | Victor S. Chang, John A. Wheatley | 1997-03-18 |
| 5568316 | Formable reflective multilayer body | Charles B. Arends, Conrad F. Balazs, Ray A. Lewis, John A. Wheatley | 1996-10-22 |
| 5540878 | Method for producing blow molded multilayer plastic articles | Ranganath K. Shastri, Herbert C. Roehrs, Ralph E. Ayres | 1996-07-30 |
| 5540978 | All-polymeric ultraviolet light reflecting film | — | 1996-07-30 |
| 5486949 | Birefringent interference polarizer | John A. Wheatley, Victor S. Chang | 1996-01-23 |
| 5448404 | Formable reflective multilayer body | Charles B. Arends, Conrad F. Balazs, Ray A. Lewis, John A. Wheatley | 1995-09-05 |
| 5389324 | Layer thickness gradient control in multilayer polymeric bodies | Ray A. Lewis, David M. Wisniewski, Ravi Ramanathan | 1995-02-14 |
| 5380479 | Method and apparatus for producing multilayer plastic articles | Herbert C. Roehrs, Ranganath K. Shastri, Ralph E. Ayres, Mark A. Barger, Jeffrey Nicholas Bremmer | 1995-01-10 |
| 5360659 | Two component infrared reflecting film | Charles B. Arends, Ray A. Lewis, Ravi Ramanathan, John A. Wheatley | 1994-11-01 |
| 5316703 | Method of producing a lamellar polymeric body | — | 1994-05-31 |
| RE34605 | Infrared reflective optical interference film | John A. Wheatley | 1994-05-10 |
| 5278694 | Optically dissimilar composition for polymeric reflective bodies | John A. Wheatley, Stephen E. Bales, Mark A. Barger, Charles A. Langhoff, Ravi Ramanathan | 1994-01-11 |
| 5269995 | Coextrusion of multilayer articles using protective boundary layers and apparatus therefor | Ravi Ramanathan, John A. Wheatley | 1993-12-14 |
| 5262894 | Multicomponent, multilayer polymeric reflective bodies | John A. Wheatley | 1993-11-16 |
| 5234729 | Multilayer polymeric reflective bodies for decorative and security applications | John A. Wheatley, David M. Wisniewski | 1993-08-10 |
| 5233465 | Visibly transparent infrared reflecting film with color masking | John A. Wheatley | 1993-08-03 |
| 5217794 | Lamellar polymeric body | — | 1993-06-08 |
| 5202074 | Method for producing injection molded multilayer articles | Ranganath K. Shastri, Herbert C. Roehrs, Ralph E. Ayres | 1993-04-13 |
| 5149578 | Multilayer film for tamper indication by use of optical interference reflection | John A. Wheatley | 1992-09-22 |
| 5126880 | Polymeric reflective bodies with multiple layer types | John A. Wheatley | 1992-06-30 |
| 5122905 | Relective polymeric body | John A. Wheatley | 1992-06-16 |