Inventor · disambiguated record

Jon S. Schumaker

Also filed as: SCHUMAKER JON S

3 granted patents·47 citations·filing 1980–1987

71Inventor score

Technology areasE01B

Files withPANDROL LTD3

Top patents by PatentIndex Score

3 records

0155US4756477APlate for supporting railway rails and a track assembly using itPANDROL LTD·Filed 1987·Granted Jul 12, 1988·24 cites·4 claims
0242US4349151AHolding a railway rail down on a support memberPANDROL LTD·Filed 1980·Granted Sep 14, 1982·13 cites·10 claims
0337US4513912AHolding a railway rail down on a support memberPANDROL LTD·Filed 1981·Granted Apr 30, 1985·10 cites·15 claims

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