Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035473 | Current limiting fuse | Frank John Muench, Allen L. Johnson, Russell John Lenz | 2011-10-11 |
| 7834738 | Current limiting fuse | Frank John Muench, Allen L. Johnson, Russell John Lenz | 2010-11-16 |
| 7477129 | Current limiting fuse | Frank John Muench, Allen L. Johnson, Russell John Lenz | 2009-01-13 |
| 6538550 | High amperage current limiting fuse | Frank John Muench, Allen L. Johnson | 2003-03-25 |
| 5936507 | Bayonet-type fuse housing assembly having a vent tube | David W. Beitz | 1999-08-10 |
| 4628292 | Under oil expulsion fuse cartridge assembly | Frank John Muench | 1986-12-09 |
| 4625196 | Modular under oil expulsion fuse cartridge assembly | Frank John Muench | 1986-11-25 |