Inventor
SWARTZ HENRY D
12 patents
⚠️ This page may combine multiple inventors who share the name “SWARTZ HENRY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STANDARD OIL CO INDIANA
4 patentsUS4267223AMay 12, 1981
Corrugated plasticboard
STANDARD OIL CO INDIANA56 citations95
US4132581AJan 2, 1979
Method for the fabrication of plasticboard
STANDARD OIL CO INDIANA56 citations95
US4188253AFeb 12, 1980
Machine for the fabrication of plasticboard
STANDARD OIL CO INDIANA10 citations73
US3989572ANov 2, 1976
Method of making irrigation conduits
STANDARD OIL CO INDIANA9 citations73