Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925203 | Systems and methods for manufacturing a carriage style sectional door | — | 2015-01-06 |
| 6699145 | Apparatus and method for curling and tools | — | 2004-03-02 |
| D386283 | Motion picture light cover | — | 1997-11-11 |
| D379941 | Ornamental tree | — | 1997-06-17 |
| 5600187 | Electronically controllable capacitors using power MOSFET's | Sayed-Amr El-Hamamsy, Joseph C. Borowiec | 1997-02-04 |
| D376866 | Motion picture light cover | — | 1996-12-24 |
| 5497588 | Window apparatus and method for a garage door | David O. Martin | 1996-03-12 |
| 5114537 | Dry sheet-like filtering material for liquid depth filtration | Richard W. Atwood | 1992-05-19 |
| 4982262 | Inverted groove isolation technique for merging dielectrically isolated semiconductor devices | Adrian R. Hartman, James E. Kohl, Harry T. Weston | 1991-01-01 |
| 4920592 | Combination hood support, jack crank, lug wrench and wheel cover removal apparatus | — | 1990-05-01 |
| 4868620 | High-voltage pull-up device | James E. Kohl, Eric J. Wildi, Deva N. Pattanaya, Michael Adler | 1989-09-19 |
| 4811440 | Combination hood support, jack crank, lug wrench and wheel cover removal apparatus | — | 1989-03-14 |
| 4795917 | Low power high voltage driver circuit | James E. Kohl | 1989-01-03 |
| H40 | Field shields for Schottky barrier devices | William L. Buchanan, James E. Kohl, Yiu-Huen Wong | 1986-04-01 |
| 4323942 | Solid-state protector circuitry using gated diode switch | Adrian R. Hartman, Peter W. Shackle | 1982-04-06 |
| 4309715 | Integral turn-on high voltage switch | William F. MacPherson, Peter W. Shackle | 1982-01-05 |
| 4271445 | Solid-state protector circuitry using gated diode switch | Adrian R. Hartman, Peter W. Shackle | 1981-06-02 |
| 4259954 | Wash bottle and method for ameliorating hemorrhoids | — | 1981-04-07 |