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AP

Alan P. Perrin

Overall (All Time): #2,301,621 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5207733 Materials for use in plant propagation — 1993-05-04
4789584 Synthetic substrate for use in the rooting of cuttings and the raising of seedlings and plants — 1988-12-06

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