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patents.google.com
patents.google.com
This is one more of the referenced patents in the set, and together they show variations on a theme: how to build a climbable geometric framework. If you’re trying to understand what was novel at the time, comparing them is more useful than reading any single one in isolation.
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Pros
- +Primary documentation of design variations
- +Good for comparing what changed between filings
- +Strong evidence for timelines
Cons
- -Not a friendly read
- -Context needs external historical sources
