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Herrenberg, Germany

Friedrich W Schwerdt

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 158(Granted Patents)

Location History:

Burgwedel, DE (1977)
Boeblingen, DE (1977)
Sindelfingen, DE (1978 - 1979)
Herrenberg, DE (1985 - 1989)

Company Filing History:

10 out of 164,244

International Business Machines Corporation

Years Active: 1977-1989

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4857383 - Synthetic substrate with adhesive metal layer (1989-08-15),

2. 4705592 - Process for producing printed circuits (1987-11-10),

3. 4642163 - Method of making adhesive metal layers on substrates of synthetic (1987-02-10),

4. 4556628 - Process for producing printed circuit boards with metallic conductor (1985-12-03),

5. 4540464 - Method of renewing defective copper conductors on the external planes of (1985-09-10),

6. 4521280 - Method of making printed circuits with one conductor plane (1985-06-04),

7. 4152195 - Method of improving the adherence of metallic conductive lines on (1979-05-01),

8. 4117093 - Method of making an amorphous silicon dioxide free of metal ions (1978-09-26),

9. 4039371 - Etchant for polyimides (1977-08-02),

10. T954010 - Method of coating oxidized inorganic substrates with polyimide (1977-01-03),

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