IP Library › Granted Patent US 4,963,199
Granted Patent Utility
US 4,963,199 · App. 07/257,915

Drilling of steel sheet

Inventors: Norman M. Pavlik, John Sefko, Richard A. Miller
Patented Case View Patent ↗
Granted: Oct 16, 1990 Filed: Oct 14, 1988
Inventors
Norman M. Pavlik
John Sefko
Richard A. Miller
Assignee (at issue)
ABB Power T&D Company Inc.

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Quick Facts
Patent No.
US 4,963,199
App. No.
07/257,915
Filed
1988-10-14
Granted
1990-10-16
Kind
A