Inventor · disambiguated record
Howard E. Tonn
Also filed as: TONN HOWARD E
3 granted patents·26 citations·filing 1986–1989
68Inventor score
Files withCO ORDINATED RAILWAY SERVICES3
Top patents by PatentIndex Score
3 records- 0148US4782740APiston and shaft assembly for an end-of-car cushioning unitCO ORDINATED RAILWAY SERVICES·Filed 1987·Granted Nov 8, 1988·15 cites·5 claims
- 0235US4953727APiston and shaft assembly of railroad end-of-car cushioning devices and method of repairing sameCO ORDINATED RAILWAY SERVICES·Filed 1989·Granted Sep 4, 1990·8 cites·7 claims
- 0323US4719686AMethod for repairing a piston and shaft assemblyCO ORDINATED RAILWAY SERVICES·Filed 1986·Granted Jan 19, 1988·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →