Inventor

SHERWOOD JOHN H

US3 patents

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

UTILITY DEVICES INC

1 patent

US4352164ASep 28, 1982

Data recording method and apparatus

UTILITY DEVICES INC42 citations83

SHERWOOD JOHN H

1 patent

US8074185B2Dec 6, 2011

System and method for displaying and manipulating hierarchically linked data in a genealogy database using a graphical interface

SHERWOOD JOHN H8 citations77

UTILITY SERVICES INC

1 patent

US4169290ASep 25, 1979

Data recording method and apparatus

UTILITY SERVICES INC12 citations63