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Inventor
DUNCAN KAREN
US
4 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN KAREN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUNCAN KAREN
2 patents
US4872219A
Oct 10, 1989
Self-supporting ear protector
DUNCAN KAREN
81 citations
91
US4713843A
Dec 22, 1987
Self-supporting ear protector
DUNCAN KAREN
71 citations
91
O & M HALYARD INC
2 patents
USD877462S
Mar 10, 2020
Combination surgical cap and deployable bouffant cap
O & M HALYARD INC
5 citations
65
US10993494B2
May 4, 2021
Combination surgical cap and deployable bouffant cap
O & M HALYARD INC
0 citations
53