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Inventor

Ernest N. Schwenninger

Inventor
Cumberland, MD, US

Overview

2→
Patents
1976–1978
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes50%
G01KMeasuring temperature50%
PatentTitleYear
4,114,444'Measuring glass surface temperature during annealing'19783,957,475'Measuring glass surface temperature during annealing'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to PPG INDUSTRIES INC (2)· patent assignee history
1976–1978Based in Cumberland, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PPG INDUSTRIES INC21976–1978
Locations
LocationPatentsSpan
Cumberland, Maryland, US21976–1978