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Inventor

Christopher Demas

Inventor
Fairless Hills, PA, US

Overview

2→
Patents
1978–1994
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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%
C07CAcyclic or carbocyclic compounds33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,324,042'Aerial projectile and target apparatus for use in playing a lawn target game'19944,071,554'Method for the preparation of N,N-dialkyl hydrazides'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to ASHLAND OIL INC (1)· patent assignee history
1978Based in Columbus, OH, US· patent location history
1994Patents assigned to DEMAS CHRISTOPHER (1)· patent assignee history
1994Based in Fairless Hills, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASHLAND OIL INC11978
DEMAS CHRISTOPHERself11994
Locations
LocationPatentsSpan
Fairless Hills, Pennsylvania, US11994
Columbus, OH, US11978