Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362222 | Injection molding machine having a vector controlled AC drive system | Ronald M. Sparer | 1994-11-08 |
| D341602 | Movable platen for an injection molding machine | M. Jay Moore, Ronald A. Hertzer, Van K. Joyner | 1993-11-23 |
| 5052909 | Energy-conserving injection molding machine | Ronald A. Hertzer, Edward A. Chorey | 1991-10-01 |
| 5033955 | Article mold handling apparatus | Raymond Ross, Jr. | 1991-07-23 |
| 4988273 | Injection molding machines having a brushless DC drive system | Ronald M. Sparer | 1991-01-29 |