Inventor
Donald G. Engel
Inventor
Rochester, NY, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
5,230,308'Low mass direct acting hydraulic valve lifter'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to GEN MOTORS CORP (1)· patent assignee history
1993Based in Rochester, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 1 | 1993 |