Inventor

David W. Dreifus

Inventor
Longmeadow, MA, US

Overview

1→
Patents
1987
Patent span
Human necessities
Primary field (CPC A)

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
AssigneePatentsSpan
SPALDING & EVENFLO11987
Locations
LocationPatentsSpan
Longmeadow, Massachusetts, US11987