Inventor
David L. Hardenbrook
Inventor
Glastonbury, CT, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators50%
G05BControl or regulating systems in general50%
PatentTitleYear
4,561,093'Servicing a software-controlled elevator'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to OTIS ELEVATOR CO (1)· patent assignee history
1985Based in Glastonbury, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OTIS ELEVATOR CO | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Glastonbury, CT, US | 1 | 1985 |