Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880680 | Article of manufacture and method for encasing same | — | 1989-11-14 |
| 4852662 | Impacting mechanism | Raymond A. Bianchi, Joseph Oswald, Elmer B. Phelps | 1989-08-01 |
DK
David Kistner
Overall (1989): #29,506 of 140,708Top 25%
2
Patents 1989