Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5467654 | Method and apparatus for determining the operating speed of a rail vehicle | James P. Chew | 1995-11-21 | $1,061,000 |
| 5460416 | Perforated fiber reinforced pipe and couplings for articulating movement | Ralph S. Freidrich, Ronald G. Ulrich, Ronald Douglas Johnson | 1995-10-24 | $533,000 |
| 5086582 | Spot sprayer for tall weeds | — | 1992-02-11 | |
| 4533333 | Helicopter extractable cold weather/water liferaft | Wesley A. Andrew, Curtis E. Shields, Harry O. Hindlin | 1985-08-06 | |
| D262685 | Decorative facia plate and leg covers for a fire grate | — | 1982-01-19 | |
| D260230 | Fire grate fret | — | 1981-08-18 |