Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7631979 | Universal lighting system for computer web camera | Michael R. Lohmann | 2009-12-15 |
| 5555849 | Gas temperature control system for catalytic reduction of nitrogen oxide emissions | Robert N. Wiechard, John M. Banas | 1996-09-17 |
| 5361827 | Economizer system for vapor generation apparatus | Stephen Michael Renals | 1994-11-08 |
| D313339 | Ground support stake for irrigation tubing | Bernard J. Wilson, Fred W. March | 1991-01-01 |
| 4909870 | Method of and apparatus for attaching continuously running fastener strip to web substrate | Russell J. Gould | 1990-03-20 |
| 4892256 | Up-spray deflector cup for spraying the underside of plant foliage | Doyle R. Metz, Roger W. Perkins | 1990-01-09 |
| 4726520 | Continuous tube emitter | Edward J. Pitchford, Mathias Plotkin, Hans D. Christen, Octavian P. Dumitrascu | 1988-02-23 |
| 4613080 | Multiple outlet trickle irrigation unit | Briant Benson | 1986-09-23 |
| 4580724 | Impact drive sprinkler | Hans D. Christen | 1986-04-08 |
| D276454 | Impact drive sprinkler | Hans D. Christen | 1984-11-20 |