2023
|
P/S
|
Lawn edgings, not of metal |
2012
|
Invention
|
Landscape edging |
2011
|
Invention
|
Flexible landscape edging |
2009
|
P/S
|
Rubber landscape edging manufactured from recycled tires |
2008
|
Invention
|
Landscape edging system. Provided is a landscape edging system comprising runs having a profile c... |
2004
|
Invention
|
Sign post assembly and method for the same. A method and apparatus providing a sign post assembly... |
2000
|
Invention
|
Passive collimating tubular skylight. A passive collimating tubular skylight consisting of a radi... |
1999
|
Invention
|
Stretched fresnel lens solar concentrator for space power. A novel, high-efficiency, extremely li... |
1997
|
Invention
|
Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof.... |
1994
|
Invention
|
Photovoltaic receiver. A photovoltaic receiver is disclosed where said receiver includes at last ... |
1990
|
Invention
|
Municipal waste thermal oxidation system. An air-starved, batch burn, modular, municipal waste in... |
1986
|
Invention
|
Photovoltaic cell cover for use with a primary optical concentrator in a solar energy collector. ... |
|
Invention
|
Solar thermal receiver. A solar thermal energy collector includes a thermal receiver for receivin... |
1985
|
Invention
|
Solar energy collector having an improved thermal receiver. A solar thermal energy collector incl... |
1984
|
Invention
|
Bi-focussed solar energy concentrator. A refractive optical concentrator for focussing solar ener... |