Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7257932 | Light weight building material The present invention relates to a light weight building material (1) for structural work. The light weight building material (1) comprises at least three walls, a first wall (11), a second wall (12) and a third wall (13) formed fr... | 08/21/2007 |
| 7059006 | Brush with removable plates of tines A brush including removable plates with tines that can be inserted into a complementary handle. The plates, made up of tines connected to a manifold at one end, are retained by the handle. Removable flat plates can be of a unitary construction and can be rolled, sta... | 06/13/2006 |
| 6654980 | Sliding collar mop head retainer This is a jaws type mop head closure means and method in which a collar slides against inclined arms on mop head jaws in such manner that the jaws are brought together to grip a yarn type mop by sliding the collar in one direction and are allowed to open ... | 12/02/2003 |
| 6295685 | Internal ferrule for paint brush with bristle clamping panel and removable bristle pack This invention pertains to a novel internal ferrule which is used in a paint brush that has a removable bristle pack and one or more moveable bristle clamping panels which, when in a closed position, grip the bristle pack and prevent paint from migrating ... | 10/02/2001 |
| 6035481 | Paint brush with hinged inverted bristle clamping panel, removable bristle pack and panel hinge yield member This invention pertains to a novel paint brush with inverted bristle clamping panel, a removable bristle pack and a panel hinge yield mechanism. The paint brush provides ready cleaning after use by disengaging the hinged inverted bristle clamping panel, r... | 03/14/2000 |
| 5937471 | Multipurpose floor cleaning device A multipurpose mop is composed of a head, a neck, an urging mechanism, and a handle. The head is composed of an upper member and a lower member which is joined with the upper member by a retaining rod. The neck has a cross rod and a fastening portion. The... | 08/17/1999 |
| 5678276 | Paint brush with bristle clamping panels This invention pertains to paint brush with bristle clamping panels. The paint brush can be fabricated easily and inexpensively, is easy to use, and provides ready cleaning after use, by releasing the panels and exposing the bristles to the cleaning solut... | 10/21/1997 |
| 5471699 | Broom head holder for attaching to a broom head A broom head holder with a receptacle for a handle. A broom head is clamped into a C-shaped broom head holder portion. A first variation of the broom head holder has a spring clamp attached to an over center lever to hold the broom head in the C-shaped br... | 12/05/1995 |
| 5435037 | Paint brush with replaceable bristle pack This invention pertains to a paint brush with a replaceable bristle pack. A unitary paint brush with replaceable bristles comprising: (a) a paint brush body and handle, the body having formed in one end thereof opposite the handle a cavity adapted for rec... | 07/25/1995 |
| 5343585 | Paint brush assembly A paint brush assembly includes a clip member arranged to secure a replaceable paint brush head thereto, with the clip member having a u-shaped body, including first and second cooperating jaws engaged with the brush head. A sleeve is received over the cl... | 09/06/1994 |
| 5247718 | Toothbrush with replaceable bristle head A disposable bristle toothbrush is formed by an elongated aperture in the head end portion of the toothbrush handle which removably receives a bristle bearing insert which is snapped into and out of place in the aperture of the toothbrush head in one embo... | 09/28/1993 |
| 5218733 | Paint brush with releasable bristles A paint brush or like structure, and method of making the same, in which bristles having a back binding the bristles into a permanent format are mounted on a handle and quick replaceably retained thereon with the bristles projecting usefully from the hand... | 06/15/1993 |
