PatentBrief

Inventor

Warren D. Ketola

Patents indexed

1

Year range

1979

Associated with

Years active

1979

Total patents

1

Most recent

1979

Frequent collaborator

William A. Baker

Domains

materials

Activity by decade

1970s
1

Patents

1

Career timeline

1 patents, in 1979

Dot size = forward citations

19791980

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 4166152·1979·Minnesota Mining and Manufacturing Co

The Sticky Microscopic Beads Behind Post-it Notes

3M's 1977 patent on tiny, naturally sticky plastic beads that can stick to a surface, peel off easily without leaving residue, and be reused over and over again.

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