Assignee

WITKOWSKI WILLIAM

US·2 granted patents·26 citations·filing 1982–1984

Technology mixA63D2 B29C2 Y10S2

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2 records

0152US4541629APlastic baseball bat and method of making the sameWITKOWSKI WILLIAM·Filed 1984·Granted Sep 17, 1985·14 cites·6 claims
0245US4457511APlastic bowling pin and method of making the sameWITKOWSKI WILLIAM·Filed 1982·Granted Jul 3, 1984·12 cites·9 claims

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