Inventor
H. Randolph Roehl
Inventor
Chadds Ford, PA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B09Bprimary
B09BDisposal of solid waste not otherwise provided for33%
C10LFuels not otherwise provided for33%
G11BInformation storage based on relative movement between record carrier and transducer33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to IBM (1)· patent assignee history
2003Based in Mainz, DE· patent location history
2007Patents assigned to SUNOCO INC (1)· patent assignee history
2007Based in Chadds Ford, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 1 | 2003 |
| SUNOCO INC | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chadds Ford, Pennsylvania, US | 1 | 2007 |
| Mainz, DE | 1 | 2003 |