Inventor
Warren A. Alpaugh
Inventor
Chenango Forks, NY, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits32%
C23CCoating metallic material23%
Y10TTechnical subjects covered by former us classification14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
B29BPreparation or pretreatment of the material to be shaped5%
B29CShaping or joining of plastics5%
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. inserts5%
C02FTreatment of water, waste water, sewage, or sludge5%
C08JWorking-up5%
PatentTitleYear
5,685,070'Method of making printed circuit board'19975,418,689'Printed circuit board or card for direct chip attachment and fabrication thereof'19955,311,660'Methyl chloroform-free desmear process in additive circuitization'19944,525,390'Deposition of copper from electroless plating compositions'19854,289,594'Treatment of waste compositions'19814,155,775'Cleaning of high aspect ratio through holes in multilayer printed circuit boards'19794,152,467'Electroless copper plating process with dissolved oxygen maintained in bath'19794,066,809'Method for preparing substrate surfaces for electroless deposition'19784,024,305'Method for producing a resin rich epoxy prepreg and laminate'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1997Patents assigned to IBM (9)· patent assignee history
1977–1997Based in Chenango Forks, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 9 | 1977–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chenango Forks, New York, US | 9 | 1977–1997 |