Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377197 | Apparatus and method for casting lead into plastic for side terminal batteries | Terry Oxenreider, Donald A. Duesterhoeft | 1983-03-22 |
| 4286028 | Snap-through anti-ignition vent cap for lead acid storage batteries | Joseph I. Heiser | 1981-08-25 |
| 4284122 | Method and apparatus for casting lead into plastic for side terminal batteries | Terry Oxenreider, Donald A. Duesterhoeft | 1981-08-18 |
| 4233370 | Snap-through anti-ignition vent cap for lead acid storage batteries | Joseph I. Heiser | 1980-11-11 |
| 4203791 | Method of making a multi-slit self-sealing ignition-arrester battery vent | Joseph I. Heiser | 1980-05-20 |