Inventor

FRANZ UDO

3 patents

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

WOLFEN FILMFAB VEB

2 patents

US4131470ADec 26, 1978

Process for the stabilization and antifogging of photographic silver halide emulsions

WOLFEN FILMFAB VEB1 citations40

US4120726AOct 17, 1978

Silver-halide emulsion sensitized with an asymmetrical disulfide

WOLFEN FILMFAB VEB1 citations39

HBS BOLZENSCHWEISS SYSTEME GMB

1 patent

US5958263ASep 28, 1999

Stud welding method

HBS BOLZENSCHWEISS SYSTEME GMB4 citations53