Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 6658967 | Cutting tool with an electroless nickel coating A cutting tool comprising a metal plate having a central aperture, a forwardly extending blade and a rearwardly extending tang having a second aperture offset from the central aperture, wherein the plate is coated with an electroless nickel layer. Also in... | 12/09/2003 |
| 6554149 | Collapsible container with durable bottom shell A collapsible container includes a cylindrical sidewall extending between a top and a bottom of the container. The sidewall is formed of a flexible material which enables the container to be opened to an expanded configuration or closed to a collapsed con... | 04/29/2003 |
| 6526664 | Low profile pruning tool A low profile tree pruning tool is provided having a head assembly coupled to an upper region of an elongated handle member and a pulley coupled to the head where the pulley is configured to rotate about a fixed axis. A lopping mechanism is coupled to the... | 03/04/2003 |
| 6520365 | Collapsible container with durable bottom shell A collapsible container includes a cylindrical sidewall extending between a top and a bottom of the container. The sidewall is formed of a flexible material which enables the container to be opened to an expanded configuration or closed to a collapsed con... | 02/18/2003 |
| 6253486 | Composite lawn edging The lawn edging (10) is formed by extruding a thermoplastic resin, preferably a thermoplastic resin such as polyethylene containing a dispersion of prevulcanized elastomer granules through a die (62) having a vertical die orifice (64) for forming the wall... | 07/03/2001 |
| 5921586 | Variable size fitting A universal fitting for connecting together non-porous irrigation tubing having different diameters. The fitting is closable at one or more openings with caps so that the one fitting can be used as an elbow, coupling, tee, or end cap thus avoiding the sto... | 07/13/1999 |
| 5776387 | Method of forming stabilized porous pipe Porous pipe formed by extruding a mixture of particles of vulcanized rubber dispersed in a binder resin such as linear low density polyethylene preferably having a Melt Index below 1.0 and a broad distribution of molecular weights, through a pipe die to f... | 07/07/1998 |
| 5474398 | Stabilized porous pipe Porous pipe formed of particles of vulcanized rubber dispersed in a binder resin such as linear low density polyethylene preferably having a Melt Index below 1.0 and a broad distribution of molecular weights, is stabilized to reduce degradation by ultravi... | 12/12/1995 |
| 5445775 | Method of forming U.V. stabilized porous pipe Porous pipe formed of particles of vulcanized rubber dispersed in a binder resin such as polyethylene are stabilized to reduce degradation by ultraviolet light by dispersing in the binder resin an effective amount of an ultraviolet stabilizer such as 0.1 ... | 08/29/1995 |
| 5358180 | Selectable spray pattern low volume sprinkler Water from a low pressure irrigation system is conveyed through a tube and sprayed upward from an orifice. A collection of splash plate water deflectors rotates above the orifice on supports extending up from the tube. Different surface shapes on the spla... | 10/25/1994 |
| 5299885 | Stabilized porous pipe Porous pipe formed of particles of vulcanized rubber dispersed in a binder resin such as polyethylene are stabilized to reduce degradation by ultraviolet light by dispersing in the binder resin an effective amount of an ultraviolet stabilizer such as 0.1 ... | 04/05/1994 |
| 5257826 | Multiple purpose irrigation fitting A fitting for connecting together porous and non-porous irrigation tubing, threaded garden hose, and pipe with conventional pipe thread. Some openings in the fitting have both exterior male threads to engage the hose and interior compression rings to enga... | 11/02/1993 |
| 5104150 | Multiple purpose irrigation fitting A tee shaped fitting for connecting together porous and non-porous irrigation tubing and also threaded garden hose as desired in which the three openings each have exterior male threads to engage the hose and interior compression rings to engage the tubin... | 04/14/1992 |
| 5069388 | Porous pipe landscape system An irrigation system that uses porous and non-porous pipe in combination, the porous pipe having a porosity such that the flow of water therethrough is balanced to the flow of water through point source emitters connected to both the porous and non-porous... | 12/03/1991 |
| 4917535 | Pressure compensating flow rate control device with dual operating modes A pressure compensating flow rate control device includes a one-piece molded plastic body having an external surface with a recessed inlet port for receiving a fluid and a recessed outlet port for discharging a fluid. First and second passages are defined... | 04/17/1990 |