Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Microphonograph record

Microphonograph record

US Patent 4298976 · Granted Nov 3, 1981

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Advertising panel for conveyor2005
Method and apparatus for on-press color measurement1996
Multichannel infusion pump for sequencing IV fluids to a patient1994
Can-measuring densitomer1993
Ink control system1991
Peristaltic pump with mechanism for maintaining linear flow1990
Ink control system1989
Cartridge alignment mechanism for tape drive1988
Precision bearing for reciprocating a magnetic head1986
Toy tape recorder1983
Desk drawer microfiche reader1982
Collapsible microfiche reader assembly especially suitable for use in a desk dra1982