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Inventor

Donald E. Zahm

Inventor
Midland, MI, US

Overview

2→
Patents
1987–1992
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G05Dprimary
G05DSystems for controlling or regulating non-electric variables33%
H03KPulse technique33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
5,109,347'Computerized volumetric dispensing system'19924,713,601'Power proportioning controller for solid state relays'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to DOW CHEMICAL CO (2)· patent assignee history
1987–1992Based in Midland, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO21987–1992
Locations
LocationPatentsSpan
Midland, MI, US21987–1992