Inventor
Roger H. Donaldson
Inventor
Lancaster, VA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers20%
F25DRefrigerators20%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
8,350,152'Method for applying insulation with respect to an electrical box and an electrical box for receiving insulation with respect thereto'20138,163,995'Method for applying insulation with respect to an electrical box and an electrical box for receiving insulation with respect thereto'20125,737,958'Method for necking containers'19985,687,599'Method of forming a can with an electromagnetically formed contoured sidewall and necked end'19975,090,175'Freezer apparatus'19924,911,323'Resealable container closure'19904,793,510'Resealable container closure'19884,748,816'Method for thermally treating filled cans'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1998Patents assigned to REYNOLDS METALS CO (5)· patent assignee history
1988–1998Based in Lancaster, VA, US· patent location history
1992Patents assigned to ESKIMO PIE CORP (1)· patent assignee history
1992–2013Based in White Stone, VA, US· patent location history
2012–2013Patents assigned to DONALDSON ROGER (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| REYNOLDS METALS CO | 5 | 1988–1998 |
| DONALDSON ROGERself | 2 | 2012–2013 |
| ESKIMO PIE CORP | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lancaster, Virginia, US | 5 | 1988–1998 |
| White Stone, Virginia, US | 3 | 1992–2013 |