Inventor
David W. Dreifus
Inventor
Longmeadow, MA, US
Overview
Patents· 1 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 fencing33%
C08LCompositions of macromolecular compounds33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to SPALDING & EVENFLO (1)· patent assignee history
1987Based in Longmeadow, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPALDING & EVENFLO | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Longmeadow, Massachusetts, US | 1 | 1987 |