Assignee
BARKDULL JR HOWARD L
US·3 granted patents·35 citations·filing 1982–1992
Technology mixE01D3
Top patents by PatentIndex Score
3 records- 0148US4454620ASpan constructionBARKDULL JR HOWARD L·Filed 1982·Granted Jun 19, 1984·16 cites·8 claims
- 0240US4712335AMethod of span constructionBARKDULL JR HOWARD L·Filed 1986·Granted Dec 15, 1987·14 cites·7 claims
- 0325US5261137AMethod of span constructionBARKDULL JR HOWARD L·Filed 1992·Granted Nov 16, 1993·5 cites·9 claims
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