Assignee
HILLS RESEARCH & DEV INC
2 granted patents·170 citations·filing 1974–1981
Top patents by PatentIndex Score
2 records- 0197US4406850ASpin pack and method for producing conjugate fibersHILLS RESEARCH & DEV INC·Filed 1981·Granted Sep 27, 1983·156 cites·21 claims
- 0252US3965642AMethod and apparatus for filling plastic bags with liquid or particulate materialHILLS RESEARCH & DEV INC·Filed 1974·Granted Jun 29, 1976·14 cites·8 claims
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