Inventor

SINGER FRANZ

DE4 patents

⚠️ This page may combine multiple inventors who share the name “SINGER FRANZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COMPUR WERK GMBH & CO

1 patent

US4032987AJun 28, 1977

Sound recording and reproducing apparatus using a cassette having a casing made of reflective material

COMPUR WERK GMBH & CO16 citations66

COMPUR ELECTRONIC GMBH

1 patent

USD258447SMar 3, 1981

Pocket-size photometer

COMPUR ELECTRONIC GMBH2 citations57

SIEMENS AG

1 patent

US4613734ASep 23, 1986

Resilient clamping device for securing an arc chute cover of a switching device

SIEMENS AG2 citations51

COMPUR WERK GES

1 patent

US3932893AJan 13, 1976

Sound recording and reproducing apparatus

COMPUR WERK GES3 citations51