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US D298,836 SGranted
Slide rule
OwnerR. Dell Pughinventor
Life of this patent
Estimating the term…
Abstract
The abstract isn’t available for this document.
Claims1
The ornamental design for a slide rule, as shown.
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OwnerR. Dell Pughinventor
Estimating the term…
The abstract isn’t available for this document.
The ornamental design for a slide rule, as shown.