Inventor · disambiguated record
John A. Calkins
Also filed as: CALKINS JOHN A
4 granted patents·40 citations·filing 1977–2003
76Inventor score
Top patents by PatentIndex Score
4 records- 0176US6969092B2Desktop printable file folder blank and filing systemSMEAD MFG CO·Filed 2003·Granted Nov 29, 2005·14 cites·9 claims
- 0253USD361094STagINT MASTER PRODUCTS CORPORATION·Filed 1994·Granted Aug 8, 1995·12 cites·1 claims
- 0334US4848189AEngine throttle stop control systemGEN MOTORS CORP·Filed 1988·Granted Jul 18, 1989·9 cites·11 claims
- 0430US4159767AFolder-tang assembly apparatusSMEAD MFG CO·Filed 1977·Granted Jul 3, 1979·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →