Inventor

H. Randolph Roehl

Inventor
Chadds Ford, PA, US

Overview

2→
Patents
2003–2007
Patent span
Performing operations
Primary field (CPC B)

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
AssigneePatentsSpan
IBM12003
SUNOCO INC12007
Locations
LocationPatentsSpan
Chadds Ford, Pennsylvania, US12007
Mainz, DE12003