Inventor · disambiguated record
William E. Perry
Also filed as: PERRY WILLIAM E
7 granted patents·205 citations·filing 1976–1999
87Inventor score
Top patents by PatentIndex Score
7 records- 0191US4067043AOptical conversion methodNASA·Filed 1976·Granted Jan 3, 1978·77 cites·5 claims
- 0288US5605099AMaintenance vehicle and method for measuring and maintaining the level of a railroad trackPANDROL JACKSON INC·Filed 1994·Granted Feb 25, 1997·33 cites·15 claims
- 0371US5012413ARailroad track curve lining apparatus and methodPANDROL JACKSON INC·Filed 1988·Granted Apr 30, 1991·53 cites·20 claims
- 0455US4436191AAutomobile hand controlPERRY WILLIAM E·Filed 1981·Granted Mar 13, 1984·16 cites·21 claims
- 0546US5617639ARailroad maintenance vehicle reference system transducerPANDROL JACKSON INC·Filed 1994·Granted Apr 8, 1997·12 cites·19 claims
- 0635US5577446AStoneblower having adjustable workheads and improved blowing tubesPANDROL JACKSON INC·Filed 1995·Granted Nov 26, 1996·13 cites·22 claims
- 0727US6334396B2Switch stoneblowerPANDROL JACKSON INC·Filed 1999·Granted Jan 1, 2002·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →