Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779564 | Apparatus for electrostatic powder spray coating and resulting coated product | Steven L. Kiefer, Stephen C. Hart | 1988-10-25 |
| 4774102 | Method of electrostatic powder spray coating | Steven L. Kiefer, Stephen C. Hart | 1988-09-27 |