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Inventor

Donald Geringer

Inventor
Parma, OH, US

Overview

3→
Patents
1977–1978
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering60%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling40%
PatentTitleYear
4,099,110'Proportional control for guidance system'19784,078,197'Proportional control for guidance system'19784,010,346'Self-propelled tractor for welding and cutting apparatus and the like'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to CECIL EQUIPMENT CO (1)· patent assignee history
1977–1978Based in Parma, OH, US· patent location history
1978Patents assigned to CECIL EQUIPMENT COMPANY (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CECIL EQUIPMENT COMPANY21978
CECIL EQUIPMENT CO11977
Locations
LocationPatentsSpan
Parma, OH, US31977–1978