Assignee
HEDDON BOWLING CORP
3 granted patents·21 citations·filing 1992–1993
Technology mixA63D2
Top patents by PatentIndex Score
3 records- 0143USD349320SBowling lane return shroud and railHEDDON BOWLING CORP·Filed 1993·Granted Aug 2, 1994·5 cites·1 claims
- 0239US5449327ABowling ball return systems and methodsHEDDON BOWLING CORP·Filed 1993·Granted Sep 12, 1995·9 cites·12 claims
- 0337US5292121APneumatic bowling ball return method and apparatusHEDDON BOWLING CORP·Filed 1992·Granted Mar 8, 1994·7 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →