Roofing aid
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United States of America Patent
Stats
-
Oct 28, 1980
Grant Date -
N/A
app pub date -
May 18, 1979
filing date -
May 18, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Improvements in roofing ladders and work platforms; anti-skid devices for aiding seating and movement of a roofing worker on and over the (typically) inclined roof surface being worked; anti-skid seats, platforms and ladders for roofing work.
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Cited Art Landscape
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