P

Inventor

SEIFERTH OSCAR E

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

MAYER & CO INC O

5 patents

JAMES RIVER NORWALK INC

4 patents

JAMES RIVER CORP

2 patents

JAMES RIVER PAPER CO

1 patent

SEIFERTH OSCAR E

1 patent