Inventor · Peabody, MA, US

Joseph A. Stella

27Patents
6h-index
10Co-inventors
62Inventor score

Filing activity: Aug 16, 1974 → Jun 20, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4623236A Photographic processing composition applicator Physics 42 Expired
US4265525A Disc camera Physics 14 Expired
US4569578A Disk camera having disk carrying peel-apart film units Physics 13 Expired
US3951530A Method and apparatus for depositing processing fluid on cassette contained film strips Physics 10 Expired
US4779110A Wet film cassette and transport system Physics 7 Expired
US4742216A Photographic apparatus for transmission electron microscopes Physics 6 Expired
US4139284A Film processing cassette containing means for absorbing excess film processing fluid Physics 5 Expired
US4645322A Film counter Physics 5 Expired
US4170407A Sound film cassette employing separating web Physics 5 Expired
US4212521A Motion picture film cassette having removable film stripping web Physics 5 Expired
US4568163A Camera back Physics 4 Expired
US4370035A Dual web sound movie cassette with emulsion stripping web Physics 4 Expired
US4645323A Film processor Physics 3 Expired
US4561742A Disk camera using single format film unit having multiple images Physics 3 Expired
US4106042A Multipurpose film cassette having a processor disabling valve retention arrangement Physics 2 Expired
US4779113A Film handling apparatus Physics 2 Expired
US4027956A Apparatus for facilitating engagement between film and film actuated pull-strip Physics 2 Expired
US4119371A Film cassette contained processing fluid applicator having particle trapping arrangement Physics 2 Expired
US4080615A Photographic processing fluid applicator Physics 2 Expired
US4831397A Photographic apparatus for transmission electron microscopes Physics 1 Expired
US4664492A Film advancing apparatus Physics 1 Expired
US4285581A Multipurpose film handling cassette having a modular film processor Physics 1 Expired
US4244640A Film cassette having friction pad pull strip stress reliever Physics 1 Expired
US4084171A Photographic cassette having pressure plate release of a processor disabling valve Physics 0 Expired
US4194816A High speed rotating drive termination system Physics 0 Expired

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