Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4561207 | Pin release for animal trap A mechanism retains and releases the end of a swing-arm of an animal trap. The trap has a frame to which the swing-arm is mounted. Part of a trip-pan extends perpendicularly from the frame and engages it, being pivotable about the location of its engageme... | 12/31/1985 |
| 4449781 | Multimode optical fiber coupler An optical fiber coupler is described for operatively coupling together two or more optical fibers. Each coupler consists of several biconically tapered fibers. The biconical sections of each fiber are placed side by side or twisted around one another, an... | 05/22/1984 |
