Inventor · Colorado Springs, CO, US

John D. Spano

19Patents
12h-index
18Co-inventors
75Inventor score

Filing activity: Aug 10, 1974 → Feb 21, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4730761A Cutting flexible formed products from foam retaining sheet Emerging Cross-Sectional Technologies 50 Expired
USD523344S1 Container with cap General 49 Expired
US5438023A Passivation method and structure for a ferroelectric integrated circuit using hard ceramic materials or the like Emerging Cross-Sectional Technologies 49 Expired
US5578867A Passivation method and structure using hard ceramic materials or the like Emerging Cross-Sectional Technologies 39 Expired
USD537724S1 Container with cap General 33 Expired
US4307416A Television signal modification apparatus Electricity 31 Expired
USD536981S1 Container General 19 Expired
US4266191A Test probe alignment apparatus Physics 18 Expired
US4677810A Method and apparatus for placing flexible web pieces into concave shaped shells Emerging Cross-Sectional Technologies 14 Expired
US6134685A Package parallel test method and apparatus Physics 13 Expired
US3938317A Serial time read out apparatus Physics 13 Expired
US7370773B2 Child-resistant closure for dispensing containers Performing Operations; Transporting 13 Expired
USD390200S Electrical box General 11 Expired
US4836070A Method and apparatus for producing fibrous web pieces Emerging Cross-Sectional Technologies 6 Expired
US7946447B2 Method of selling dosage forms without a prescription Performing Operations; Transporting 4 Active
US6196677A Parallel test method Physics 4 Expired
US4521271A Labeling machines Emerging Cross-Sectional Technologies 3 Expired
US4493744A Labeling machines Emerging Cross-Sectional Technologies 3 Expired
US6750544B1 Metallization system for use in a semiconductor component Electricity 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.