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Inventor

William R. McClellan

Inventor
Kennett Square, PA, US

Overview

4→
Patents
1976–1987
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
C07CAcyclic or carbocyclic compounds13%
C07DHeterocyclic compounds13%
F16HGearing13%
G08BSignalling systems, e.g. personal calling systems13%
H04MTelephonic communication13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,638,678'Manual transmission shift control mechanism having a reverse inhibitor'19874,322,358'Preparation of furan'19824,284,849'Monitoring and signalling system'19813,987,107'Conversion of methanol to formaldehyde'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1982Patents assigned to DU PONT (2)· patent assignee history
1976–1982Based in Kennett Square, PA, US· patent location history
1981Patents assigned to GTE PROD CORP (1)· patent assignee history
1981Based in Westford, MA, US· patent location history
1987Patents assigned to GEN MOTORS CORP (1)· patent assignee history
1987Based in Warren, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT21976–1982
GEN MOTORS CORP11987
GTE PROD CORP11981
Locations
LocationPatentsSpan
Kennett Square, Pennsylvania, US21976–1982
Warren, MI, US11987
Westford, Massachusetts, US11981