Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586558 | Process for making PEN/PET blends and transparent articles therefrom | Steven L. Schmidt, Amit Agrawal | 2003-07-01 |
| 6395865 | Process for making pen/pet blends and transparent articles therefrom | Steven L. Schmidt, Amit Agrawal | 2002-05-28 |
| 6194536 | Process for making pen/pet blends and transparent articles therefrom | Steven L. Schmidt, Amit Agrawal | 2001-02-27 |
| 5118333 | Apparatus for contacting a preform rod to cause the preform rod to have a substantially straight longitudinal axis and a transverse cross section which is substantially circular and disposed concentrically about its longitudinal axis | Gary L. Baltzer, William D. O'Brien, Jr. | 1992-06-02 |
| 5030266 | Apparatus for adjusting the configuration of optical substrates | Gary L. Baltzer, William D. O'Brien, Jr. | 1991-07-09 |
| 4875916 | Methods of adjusting the configuration of optical substrates | Gary L. Baltzer, William D. O'Brien, Jr. | 1989-10-24 |
| 4601740 | Methods of and apparatus for at least partially closing an end portion of an optical preform tube | William D. O'Brien, Jr. | 1986-07-22 |
| 4582480 | Methods of and apparatus for vapor delivery control in optical preform manufacture | Pundi L. Narasimham, Fred P. Partus | 1986-04-15 |
| 4486214 | Methods of and apparatus for collapsing a preform tube into a preform from which lightguide fiber is drawn | John B. MacChesney, Fred P. Partus, Jay R. Simpson | 1984-12-04 |
| 4477273 | Method of and apparatus for straightening and configuring a preform tube from which lightguide fiber is drawn | Fred P. Partus | 1984-10-16 |
| 4253583 | Closure for container | — | 1981-03-03 |
| 4231777 | Methods of and apparatus for heating a glass tube | Fred P. Partus | 1980-11-04 |
| 4224105 | Apparatus for simultaneously covering each of a plurality of elongated materials with uniformly weighted pulp insulation | James G. Wright, Jr. | 1980-09-23 |
| 4184913 | Methods of simultaneously covering each of a plurality of elongated materials with uniformly weighted pulp insulation | James G. Wright, Jr. | 1980-01-22 |