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Inventor

Michael F. Szczepanik

Inventor
Melvindale, MI, US

Overview

2→
Patents
1978–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
C02FTreatment of water, waste water, sewage, or sludge17%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
4,902,427'Filter for removing heavy metals from drinking water'19904,108,679'Pigment composition containing elemental carbon and process of making the same'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1990Patents assigned to EBONEX CORP (2)· patent assignee history
1978Based in Allen Park, MI, US· patent location history
1990Based in Melvindale, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBONEX CORP21978–1990
Locations
LocationPatentsSpan
Melvindale, MI, US11990
Allen Park, MI, US11978