P

Inventor

KOWNACKI CHARLES D

US27 patents
⚠️ This page may combine multiple inventors who share the name “KOWNACKI CHARLES D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOWNACKI CHARLES D

9 patents

EMSCO INC

2 patents

SPINMASTER TOYS LTD

2 patents

SPIN MASTER TOYS LTD

2 patents

SPIN MASTER TOYS

2 patents

OSTEOMED CORP

1 patent

DENTAL APPLIANCE INVESTORS INC

1 patent

POWER DISTRIBUTION PRODUCTS

1 patent

SPIN MASTER LTD

1 patent

SBR INC

1 patent

POWER DISTRIB PRODUCTS

1 patent

(unassigned)

1 patent

SIMONTON BUILDING PRODUCTS INC

1 patent

NACHEFSKI WILLIAM S

1 patent

PRECISE PLASTICS

1 patent