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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5320892 | Tough layered papers with improved surface adhesion A laminate for honeycomb structures comprised of two outside layers having good surface adhesion and a tough core layer, said core constituting from 50 to 70% by weight of the laminate and containing from about 60 to 80% by weight of poly(m-phenylene isop... | 06/14/1994 |
| 5126012 | High strength papers from floc and fibrids A high strength fibrid-floc sheet is made of a floc which can be carbon, aramid or glass. The fibrids are made from the following units: ##STR1## where n is 4 or 5; X is from 0.03 to 0.30 and Ar is a radical selected from 3,4'-oxydiphenylene, 4,4'-ox... | 06/30/1992 |
| 5089088 | Low-density, high strength aramid boards Flash expansion of moist multi-layered boards wherein each layer comprises aramid floc bonded by aramid fibrid results in high strength, low density aramid boards.... | 02/18/1992 |
| 5076887 | Pressboard and process for its production High temperature resistant pressboard having a density of 0.70 to 0.90 g/cc, a calculated void volume of 31 to 49, percent by volume of said pressboard and a smoothness of 80 to 250 microinches MD range and 90 to 260 microinches is disclosed. The pressboa... | 12/31/1991 |
| 4940512 | Cross-directional distribution of additives in synthetic papers A process for making a wet-laid, elongate, nonwoven flexible sheet having an additive distributed in a predetermined cross-directional pattern includes providing two synthetic fibrous stocks containing the additive in a concentration higher in one stock t... | 07/10/1990 |
| 4886578 | High heat resistant oil-impregnatable electrical insulating board A process for making a high heat resistant oil-impregnatable insulating board, having a dielectric constant less than 2.7, made from bleached polytetrafluoroethylene floc and aromatic polyamide fibrids and the resulting insulating board are disclosed.... | 12/12/1989 |
