75253901
Mar 7, 1997
Mar 19, 2002
plant propagation systems and components thereof, namely, plant propagation systems for promoting the growth and development of plant tissue and small plantlets, comprising, plant vessels, vessel support trays, spectral filters, nutrient reservoirs, tempered water mixing systems, comprising, tempered water barrier layers, temperature sensors, pH sensors and light sensors, and computer software for the operation of such plant propagation systems
Electrical and Scientific Apparatus