Inventor

Walter J. Lewicki, Jr.

Inventor
Lancaster, PA, US

Overview

24→
Patents
1976–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 24 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification15%
D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material14%
B29CShaping or joining of plastics11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
G03GElectrography8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
B41MPrinting, duplicating, marking, or copying processes5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,947,406Materials based on drying oils202110,875,971Materials based on drying oils20209,518,198'Materials based on drying oils'20165,546,110'Electrographic printing'19965,347,296'Electrographic process for producing an image with depth perception and resulting structure'19945,187,501'Printing system'19935,162,179'Electrographic structure and process'19925,162,141'Polymeric sheet having an incompatible ink permanently bonded thereto'19925,126,769'Non-electrographic printer with lamination means'19925,124,730'Printing system'19925,112,671'Tile product having multiple levels of height, multiple levels of gloss and mortar-line surround'19924,791,015'Ornamented tile surface covering'19884,778,547'Process for making a dimensionally stable, embossed, ornamented tile surface covering'19884,747,901'Process for making a stress-free embossed and ornament surface covering'19884,604,312'Stress-free, embossed, ornamented tile surface covering and process for making the same'19864,414,317'Transparency, a method for forming it and a photographic mask whose optical densities are correlated with the contour of a surface'19834,158,070'Selective cooling of sheet to be embossed'19794,142,849'Multilevel embossing of foamed-sheet materials -- II'19794,131,663'Multilevel embossing of sheet materials'19784,089,731'Apparatus for multilevel embossing of sheet materials'19784,076,867'Multilevel embossing of foamed-sheet materials'19784,070,435'Multilevel embossing of foamed-sheet materials-II'19784,003,114'Compressible sleeve embossing roll'19773,953,639'Mechanically embossed resilient laminar floor material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to ARMSTRONG CORK CO (7)· patent assignee history
1976–2021Based in Lancaster, PA, US· patent location history
1979Patents assigned to ARMSTRONG CORK (1)· patent assignee history
1983–1996Patents assigned to ARMSTRONG WORLD IND INC (13)· patent assignee history
2016–2021Patents assigned to KAUFFMAN WILLIAM J (3)· patent assignee history
2016–2021Patents assigned to LEWICKI JR WALTER J (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARMSTRONG WORLD IND INC131983–1996
ARMSTRONG CORK CO71976–1979
KAUFFMAN WILLIAM J32016–2021
LEWICKI JR WALTER Jself32016–2021
ARMSTRONG CORK11979
Locations
LocationPatentsSpan
Lancaster, Pennsylvania, US241976–2021