Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006996 | Collapsible work cart | — | 2011-08-30 |
| 7487732 | Boot with scraper for a fertilizer opener in an agricultural machine | James R. Peterson | 2009-02-10 |
| 7168376 | Seed boot for a seeding machine | — | 2007-01-30 |
| 5595131 | Flexible and resilient supports for a grain box | Glenn D. Head, Jr. | 1997-01-21 |
| 5303142 | Control system for gas turbine helicopter engines and the like | Douglas A. Parsons, John E. Games, Gerald L. DePardo | 1994-04-12 |
| 5190112 | Rotary hoe extension | Patrick Whalen | 1993-03-02 |
| 5189620 | Control system for gas turbine helicopter engines and the like | Douglas A. Parsons, John E. Games, Gerald L. DePardo | 1993-02-23 |
| 5055317 | Method for coating elongated workpieces | Harry O. Hoffman, James E. Kalbes | 1991-10-08 |
| 5046923 | Helicopter autorotation detection and recovery | Douglas A. Parsons | 1991-09-10 |
| 4986200 | Depth gauge wheel | — | 1991-01-22 |
| 4947770 | Coulter and fertilizer applicator linkage arrangement | — | 1990-08-14 |
| 4817046 | Detection of engine failure in a multi-engine aircraft | Robert W. Rice, David H. Sweet, Charles W. Evans, Gregory P. Wright, James J. Howlett +1 more | 1989-03-28 |