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Robert Mullejans Patents |
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Inventor: Mullejans; Robert
Address: Mulheim, DE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4392185 |
Explosion-proof and firedamp-proof headlight |
July 5, 1983 |
| The present invention refers to an explosion and/or firedamp proof headlight consisting of a headpiece, a connecting cable, a battery housing provided with a plurality of replaceable accumulators and connecting means for additional electrically operated attachments as measuring instrumen |
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