Inventor · disambiguated record
Steven Callahan
Also filed as: CALLAHAN STEVEN · CALLAHAN STEVEN A
4 granted patents·92 citations·filing 1993–2002
78Inventor score
Technology areasB63B
Files withRAY IND INC1
Top patents by PatentIndex Score
4 records- 0189US5367977ASystem, apparatus and method for rapidly attaching a boat cover or canopy to a windshield and frameRAY IND INC·Filed 1993·Granted Nov 29, 1994·51 cites·8 claims
- 0277US6367404B1Folding rigid-inflatable boatFiled 2000·Granted Apr 9, 2002·22 cites·17 claims
- 0363US6739278B2Folding rigid-bottom boatFiled 2002·Granted May 25, 2004·12 cites·16 claims
- 0453US6684808B2Boat stability and directional-control deviceFiled 2002·Granted Feb 3, 2004·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →