Donald E. Hayford — 3 Patents at Appleton Papers

Donald E. Hayford has been granted 3 US patents while listed as an inventor at Appleton Papers. The first was granted in 1980 and the most recent in November 1992. Donald E. Hayford ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Donald E. Hayford in Appleton, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5164126	Process for microencapsulation	Robert John Kalishek	1992-11-17
4444699	Capsule manufacture	—	1984-04-24
4211437	Stilt capsules for pressure-sensitive record material	Hugh K Myers	1980-07-08

Donald E. Hayford — 3 Patents

Issued Patents All Time

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