Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936000 | Process and apparatus for selecting or designing products having content-free sound outputs | — | 2005-08-30 |
| 6647288 | Method and apparatus for designing a workstation | Peter V. Madill | 2003-11-11 |
| 6584346 | Process and apparatus for selecting or designing products having sound outputs | — | 2003-06-24 |
| 6089347 | Muffler with partition array | — | 2000-07-18 |
| 5892186 | Muffler with gas-dispersing shell and sound-absorption layers | — | 1999-04-06 |
| 5444197 | Muffler with intermediate sound-attenuating partition and method | — | 1995-08-22 |
| 5351481 | Muffler assembly with balanced chamber and method | — | 1994-10-04 |
| D343574 | Bottle | — | 1994-01-25 |
| 5216883 | Header assembly for internal combustion engine and method | — | 1993-06-08 |
| 5123502 | Muffler assembly with perforated partition for ignition of accumulated fuel and method | — | 1992-06-23 |
| 5031577 | Tangle-free tether post assembly | — | 1991-07-16 |
| 4809812 | Converging, corridor-based, sound-attenuating muffler and method | — | 1989-03-07 |
| 4574914 | Compact, sound-attenuating muffler for high-performance, internal combustion engine | — | 1986-03-11 |
| 4550799 | Muffler for exhaust gases | — | 1985-11-05 |
| 4220219 | Lightweight muffler and method for muffling noise | — | 1980-09-02 |