Inventor · disambiguated record
John L. Royster
Also filed as: ROYSTER JOHN L
3 granted patents·164 citations·filing 1984–1992
76Inventor score
Files withROYSTER JOHN L3
Top patents by PatentIndex Score
3 records- 0190US4543744APlant growing chamberROYSTER JOHN L·Filed 1984·Granted Oct 1, 1985·95 cites·2 claims
- 0274US4938116ARecoil system for weapons with a reciprocating breech blockROYSTER JOHN L·Filed 1988·Granted Jul 3, 1990·39 cites·26 claims
- 0363US5164534ASecondary recoil absorption mechanism for use on a firearmROYSTER JOHN L·Filed 1992·Granted Nov 17, 1992·30 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →