Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885302 | Efficient wind energy convertor without gearbox or multi-pole generator | William Edward Leithead | 2024-01-30 |
| 11673536 | Snow and ice removal device | — | 2023-06-13 |
| 10759393 | Snow and ice removal device | — | 2020-09-01 |
| 10427732 | Articulated vehicle jackknife prevention system | — | 2019-10-01 |
| 10286881 | Snow and ice removal device | — | 2019-05-14 |
| 10266153 | Snow and ice removal device | — | 2019-04-23 |
| 8987639 | Electrostatic chuck with radiative heating | Klaus Petry | 2015-03-24 |
| 8592786 | Platen clamping surface monitoring | David E. Suuronen, Julian G. Blake, Kurt Decker-Lucke, Klaus Petry | 2013-11-26 |
| 7381969 | Load lock control | Tariq Fasheh, Klaus Petry, Dale K. Stone, Lyudmila Stone, Dave Wiederspahn | 2008-06-03 |
| 6552892 | Method and apparatus for the grounding of process wafers by the use of conductive regions created by ion implantation into the surface of an electrostatic clamp | Dennis Klesel, Bryan C. Lagos, Klaus Petry | 2003-04-22 |
| D272566 | Poultry coop or similar article | Lewis T. Johnson | 1984-02-07 |
| D267754 | Chain saw case | Lewis T. Johnson | 1983-02-01 |
| 4355731 | Egg supporting tray | Paul R. Lefebvre | 1982-10-26 |
| 4349220 | Raintight wireway | Donald L. Chapman | 1982-09-14 |
| D266198 | Bakery tray or similar article | Lewis T. Johnson | 1982-09-14 |
| 4320837 | Nesting and stacking container | Lewis T. Johnson | 1982-03-23 |
| 4320449 | Control circuit | — | 1982-03-16 |
| D260194 | Bakery tray or similar article | Lewis T. Johnson | 1981-08-11 |
| 4272643 | Fire resistant fitting | Donald L. Chapman, Stephen L. Flee, Gilbert A. McGoldrick | 1981-06-09 |
| 4270318 | Fire resistant fitting floor holes | Donald L. Chapman, Gilbert A. McGoldrick | 1981-06-02 |
| D259400 | Tote box for fruit or the like | Victor D. Johns, Lewis T. Johnson | 1981-06-02 |
| 4254504 | Control apparatus for a transceiver employing a programmable memory | James P. Lewis | 1981-03-03 |
| D257478 | Egg crate or similar article | Victor D. Johns | 1980-11-04 |
| D256220 | Storage and display tray or similar article | Victor D. Johns | 1980-08-05 |
| D255724 | Poultry coop or similar article | Lewis T. Johnson | 1980-07-01 |