Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496568 | Method and apparatus for providing automated notification to a customer of a real-time notification system | — | 2002-12-17 |
| 6341624 | Valve for cryogenic fluid | Robert L. Russell | 2002-01-29 |
| 6167902 | Bottom entry cryogenic valve | — | 2001-01-02 |
| 5939695 | Product identification system using hand-held customer assistant unit with a code reader | — | 1999-08-17 |
| 5934327 | Valve for cryogenic fluid | Robert L. Russell | 1999-08-10 |
| 5013009 | Top entry valve | — | 1991-05-07 |
| 5005171 | Telecommunication transmission format suited for network-independent timing environments | David R. Modisette, Jr. | 1991-04-02 |
| 5005170 | Multi-rate multiplexing arrangement efficiently utilizing multiplexed channel bandwidth | — | 1991-04-02 |
| 4911202 | Valve construction | — | 1990-03-27 |
| 4844411 | Valve | — | 1989-07-04 |
| 4471933 | Music stand | — | 1984-09-18 |
| 4182372 | Mixing valve | Hartley F. Grandin, Jr. | 1980-01-08 |