Inventor

William E. Sullivan

Inventor
Blythewood, SC, US

Overview

14→
Patents
1977–1994
Patent span
Human necessities
Primary field (CPC A)

Patents· 14 as inventor

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

A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
A01MCatching, trapping or scaring of animals11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
A47LDomestic washing or cleaning7%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
A45DHairdressing or shaving equipment4%
B24DTools for grinding, buffing or sharpening4%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials4%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to THE RISDON MFG COMPANY (1)· patent assignee history
1977–1981Based in Columbia, SC, US· patent location history
1978Patents assigned to RISDON MFG CO (1)· patent assignee history
1979Patents assigned to RIDSON MANUFACTURING COMPANY (1)· patent assignee history
1981–1987Patents assigned to RISDON ENTERPRISES INC (6)· patent assignee history
1983–1994Based in Blythewood, SC, US· patent location history
1991–1994Patents assigned to ECOLAB INC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RISDON ENTERPRISES INC61981–1987
ECOLAB INC51991–1994
RIDSON MANUFACTURING COMPANY11979
RISDON MFG CO11978
THE RISDON MFG COMPANY11977
Locations
LocationPatentsSpan
Blythewood, SC, US91983–1994
Columbia, SC, US51977–1981