Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872505 | Heat sink for an electronic device | Jack E. Jones | 1989-10-10 |
| 4864488 | Single level D.C. output voltage power supply | David Schaffner | 1989-09-05 |
DB
David J. Bulmahn
Overall (All Time): #2,332,985 of 4,157,543Top 60%
2
Patents All Time