The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Harry E Thomason · United States · 1968
solar heat vent means to control the rate of stale air expulsion. 75 collecting means comprises a sheet of material having an Page 4 upper heat-receiving surface and a lower heat radiating heat storage means