Inventor · disambiguated record
Peter David Halstead
Also filed as: HALSTEAD PETER D · HALSTEAD PETER DAVID
5 granted patents·661 citations·filing 1990–1999
87Inventor score
Technology areasA42B
Top patents by PatentIndex Score
5 records- 0196US6226801B1Football helmet having a removable inflatable liner and a method for making the sameADAMS USA INC·Filed 1999·Granted May 8, 2001·179 cites·10 claims
- 0295US6073271AFootball helmet with inflatable linerADAMS USA INC·Filed 1999·Granted Jun 13, 2000·155 cites·24 claims
- 0394US5083320AProtective helmet with self-contained air pumpATHLETIC HELMET INC·Filed 1990·Granted Jan 28, 1992·149 cites·8 claims
- 0493US6178560B1Helmet fitting systemSOUTHERN IMPACT RES CT LLC·Filed 1999·Granted Jan 30, 2001·104 cites·8 claims
- 0575US5381560AFitting and retention system for headgearPDH CORP·Filed 1993·Granted Jan 17, 1995·74 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →