Inventor · Magnolia, MA, US

Paul B. Mason

12Patents
4h-index
6Co-inventors
49Inventor score

Filing activity: Aug 16, 1974 → Aug 24, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US3951530A Method and apparatus for depositing processing fluid on cassette contained film strips Physics 10 Expired
US4003064A Multi-purpose film cassette processor having slideable nozzle plate Physics 10 Expired
US4212528A Photographic film cassette having pressure pad and nozzle arrangement Physics 9 Expired
US4119990A Fluid applicator doctor blade Physics 6 Expired
US4027956A Apparatus for facilitating engagement between film and film actuated pull-strip Physics 2 Expired
US4591255A Apparatus for moving coated section of sheet material into and out of engagement with film frame Physics 0 Expired
US4238144A Audio tape free loop control arrangement for multipurpose audio-visual film cassette Physics 0 Expired
US4738525A Transparency film assemblage and roller assembly for use therewith Physics 0 Expired
US4203655A Tapered pressure pad to prevent film scratching Physics 0 Expired
US4171898A Film cassette processor having reverse inclined doctor blade Physics 0 Expired
US4155634A Film cassette contained processing fluid applicator having converging fluid channel Physics 0 Expired
US4716092A Transparency film assemblage and roller assembly for use therewith Physics 0 Expired

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