Inventor · disambiguated record
Roger R. Schumacher
Also filed as: SCHUMACHER ROGER R
3 granted patents·55 citations·filing 1977–1997
73Inventor score
Files withDYNAMIC SEALS INC3
Top patents by PatentIndex Score
3 records- 0168US4067093APiston assembly and method for manufacturingDYNAMIC SEALS INC·Filed 1977·Granted Jan 10, 1978·26 cites·1 claims
- 0256US5782162ACylinder piston rod guideDYNAMIC SEALS INC·Filed 1996·Granted Jul 21, 1998·20 cites·8 claims
- 0337US6397462B1Method of manufacturing a cylinder piston rod guideDYNAMIC SEALS INC·Filed 1997·Granted Jun 4, 2002·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →