Inventor
CARLSON RONALD R
6 patents
Patents
6 patentsUS4054096AOct 18, 1977
Mobile elevationally adjustable stage
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US4026221AMay 31, 1977
Multi-leg mobile folding stage
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US4480556ANov 6, 1984
Adjustable folding ironing board
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US4446796AMay 8, 1984
Table and improved hinge mechanism
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US4337670AJul 6, 1982
Yieldable multi-function linkage apparatus for powered pivoting loads
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US4296573AOct 27, 1981
Audience control barrier
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