Inventor · disambiguated record
Edward F. Spring, Sr.
Also filed as: SPRING EDWARD F · SPRING SR EDWARD F
3 granted patents·65 citations·filing 1975–1986
72Inventor score
Technology areasY10T
Files withCHICAGO PNEUMATIC TOOL CO3
Top patents by PatentIndex Score
3 records- 0185US3989113APneumatic tool having a reverse air control valve with an integral regulatorCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Nov 2, 1976·45 cites·14 claims
- 0260US4016940APneumatic nut runner having a directional valve and an air regulatorCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Apr 12, 1977·17 cites·14 claims
- 0337USD315086SSealant cutterCHICAGO PNEUMATIC TOOL CO·Filed 1986·Granted Mar 5, 1991·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →