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 |
| 4141945 | Method of disposing of precipitated silica A method of disposing of silica dust precipitated from metallurgical furnaces producing products high in silicon content by making mechanically strong metal oxide pellets with the silica dust as a binder is disclosed.... | 02/27/1979 |
