Inventor
Douglas R. Hennigar
Inventor
Ann Arbor, MI, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing40%
A61BDiagnosis20%
A63FCard, board, or roulette games20%
A45FTravelling or camp equipment: sacks or packs carried on the body5%
A47CChairs5%
B60NSeats specially adapted for vehicles5%
G08BSignalling systems, e.g. personal calling systems5%
PatentTitleYear
11,097,151Locking device for recumbent stepper202110,258,823Instrumented total body recumbent cross trainer system201910,150,000Locking device for recumbent stepper20189,757,612'Locking device for recumbent stepper'20179,004,598'Seating system for a recumbent stepper'20157,775,942'Recumbent stepper apparatus'20107,540,830'Leg stabilization device'20097,490,363'Hand harness for exercise equipment'20095,764,131'Multi-function beeper and housing'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to BEEP IT CORP (1)· patent assignee history
1998–2021Based in Ann Arbor, MI, US· patent location history
2009–2019Patents assigned to NUSTEP INC (7)· patent assignee history
2021Patents assigned to NUSTEP LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NUSTEP INC | 7 | 2009–2019 |
| BEEP IT CORP | 1 | 1998 |
| NUSTEP LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ann Arbor, MI, US | 9 | 1998–2021 |