Inventor
Robert E. Howlett
Inventor
Middleburg Heights, OH, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal25%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material25%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls25%
E04FFinishing work on buildings, e.g. stairs, floors25%
PatentTitleYear
4,876,837'Corner bead structure'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to USG INTERIORS INC (1)· patent assignee history
1989Based in Middleburg Heights, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| USG INTERIORS INC | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Middleburg Heights, OH, US | 1 | 1989 |