Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 4969786 | Expansion wall plug for double masonry walls An expansion wall-plug is provided having two branches (5,6) of a wire (1) bent upon itself, an expansion stirrup-piece (2), between the branches (5,6), and an expandable socket (3). The rods (5,6) have engagement projections (11,12) against which a washe... | 11/13/1990 |
| 4952096 | Dynamic earth anchor, and a sleeve therefor A dynamic earth anchor, which is forced from a tubular body, comprises a combination of a roof bolt and a tubular, deformable sleeve. The sleeve is insertable into a terrestrial borehole, at a closed end thereof, and then the bolt is inserted into the sle... | 08/28/1990 |
| 4917552 | Pin drive anchor with locking sleeve An improved pin drive anchor has an elongated body with an inner end with a reduced section about which a locking sleeve member is secured, and a longitudinal bore extending the length of the body and having a reduced diameter section proximate to the sle... | 04/17/1990 |
| 4883394 | Cover with integral fastening means The utility of a cover for vents or drains is improved by having a unitary, integral fastening means which can be used to either secure the covering so securely that mutilation of the cover may be required to remove the cover or that the cover may be easi... | 11/28/1989 |
| 4883395 | Connecting devices for structural elements A connecting device for structured elements with an improved force fit connection, of the type comprising a bolt with a floating nut and a sleeve portion near the head. The sleeve portion is adapted to be force fitted into a first structural member, is ou... | 11/28/1989 |
| 4834600 | Fastener assembly A fastener assembly for securing layers of roofing material to a deck includes a nut for insertion in and engagement with a pre-drilled hole in the deck and a threaded bolt for engagement with the nut. The nut is provided with resilient legs that are disp... | 05/30/1989 |
| 4832547 | Breaking type expansion fastener An expansion fastener comprises a female member including a cylindrical portion, a flange portion and a plurality of elastic leg portions, and a male member including a shaft portion to be fitted in the cylindrical portion, a head portion provided at the ... | 05/23/1989 |
| 4826373 | Pin for injecting a grout material A pin for injecting a grout material comprising an upper structure (I) into which an upper half portion (1') wherein a screw thread (2) and a lengthwise hole (3) are formed, a packing (4), a washer (5) and a knock pin (11) for knocking a grout pin (10) ar... | 05/02/1989 |
| 4714391 | Expansion anchor assembly An expansion anchor assembly for use in a borehole with an annular undercut includes a threaded anchor stud with a head part at its leading end inserted first into the borehole. Locking elements are arranged around the anchor stud at the head part, a coni... | 12/22/1987 |
| 4711232 | Bone fastener and method of installing same A fastener for anchoring in a bore in a bone has a screw having a substantially cylindrical outer surface formed with a helical screwthread. This screw has at its screwthread a thread diameter and between the turns of the thread at the surface a root diam... | 12/08/1987 |
| 4614471 | Expansion anchor An expansion anchor is used in a hole in a receiving material where the hole is undercut. The expansion anchor includes an axially elongated anchor sleeve containing slots extending in the axial direction. Expansion interlock members are radially displace... | 09/30/1986 |
| 4572708 | Expansible wall plug An expansible wall plug consisting of a slotted metal sleeve which engages a portion of its length into the article to be fastened, and an expansible portion which may be expanded by driving in a fastening screw. The expansible wall plug may be expanded u... | 02/25/1986 |
| 4518291 | Plastics material expansion dowel with wave-form slots A plastics material expansion dowel has an axially extending dowel body with a central hole extending in its axial direction and with wave-form slots also extending in the axial direction and opening into the central hole. The wave-form slots have alterna... | 05/21/1985 |
| 4449877 | Peg for engagement in countersunk section of a bore The disclosure relates to a one-piece masonry dowel, pin or peg (10) for fitted implantation in a bore having an internal enlargement (24), a tool (31) for and method of making the enlargement (24), and a tool for implanting the peg in the bore. The peg (... | 05/22/1984 |
| 4447183 | Machine parts expander hold down A workpiece fastening device usable on a machine tool fixture, comprising an elongated tubular body having knurling along the outside of the top end of the body, a taper on the inside thereof, and a plurality of slots extending longitudinally about half t... | 05/08/1984 |
| 4360301 | Expansion plug for securing fastening elements An expansion sleeve for securing fastening elements, such as screws, into a wall, comprises a substantially cylindrical sleeve having an insertion end with a front portion adjacent said insertion end with an exterior surface tapering inwardly toward this ... | 11/23/1982 |
| 4301706 | Grommets There is described a substantially cylindrical screw grommet capable of accepting a threaded fastener driven obliquely with respect to the axis of the grommet, the exterior surface of the grommet being formed with axial rows of spaced barbs, the rows bein... | 11/24/1981 |
| 4235150 | Expansible anchor plug Expansible anchor plug made of a thermoplastic material consists of a segment of a pyramid having a square section, which is pierced by an axial hole. Two opposed intersections between contiguous sides of the pyramid are transversely notched, and a slot l... | 11/25/1980 |
| 4142440 | Expansion plug An expansion plug has a pair of expansion shanks separated by a slit which extends along most of the length of the plug. A receiving channel for a fastener extends within the plug and along its length. The outer surface of each shank has a plurality of te... | 03/06/1979 |
| 4118910 | Anchorable tubular device A tubular device which is anchorable to a plate member comprises a first part including a tubular sleeve having resilient legs formed on one end thereof and an annular flange separating the legs from the rest of the sleeve and a second part comprising a t... | 10/10/1978 |
| 4022100 | Fastener The present invention is directed to an improved fastener for a hollow wall.... | 05/10/1977 |
| 4022101 | Screw-socket fixture A fixture for anchoring a machine screw in a hole in brickwork, concrete or stone comprises a socket which can be inserted into the hole, the diameter of which is not more than 1.1 times larger than the diameter of the screw. The thickness of the socket i... | 05/10/1977 |
