Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549334 | Retaining band assembly for internal pipe seals | Kurt E. Zeisler | 1996-08-27 |
| 4902534 | Method for producing pliable wallcovering to replicate aged, cracked plaster wall finish | — | 1990-02-20 |
| 4837001 | Production of sulfur from sulfur dioxide obtained from flue gas | — | 1989-06-06 |
| 4818514 | Method for recycling NO in a system producing ferric sulfate | — | 1989-04-04 |
| D300309 | Universal safety blocks for dump trucks | Randall Miller | 1989-03-21 |
| 4779931 | Safety support and stop assembly | Randall Miller | 1988-10-25 |
| 4693881 | Simultaneous separation and conversion to sulfur of H.sub.2 S | — | 1987-09-15 |
| 4681710 | Production of sulfonated amines | Jakob L. Bollini, Robert F. Schneider | 1987-07-21 |
| 4663135 | Conversion of oxides of nitrogen to nitrogen for pollution abatement | — | 1987-05-05 |
| 4588567 | Recovery of concentrated H.sub.2 S from SO.sub.2 contained in flue gas | — | 1986-05-13 |
| 4255388 | Apparatus for the production of H.sub.2 S from SO.sub.2 obtained from flue gas | — | 1981-03-10 |
| 4209471 | Process for the purification of O,O-di(lower)alkyldithiophosphoric acids | James H. Dube | 1980-06-24 |