Inventor
BOWEN DOUGLAS M
US10 patents
⚠️ This page may combine multiple inventors who share the name “BOWEN DOUGLAS M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLMARK CARDS
8 patentsUS9830836B1Nov 28, 2017
Flexible drive shaft for greeting cards and the like
HALLMARK CARDS7 citations81
US10089904B2Oct 2, 2018
Flexible drive shaft for greeting cards and the like
HALLMARK CARDS8 citations78
US10984680B1Apr 20, 2021
Greeting card lever and spiral lift
HALLMARK CARDS4 citations71
US11854436B2Dec 26, 2023
Greeting card lever and spiral lift
HALLMARK CARDS0 citations61
US11514820B2Nov 29, 2022
Greeting card lever and spiral lift
HALLMARK CARDS0 citations61
US11004361B2May 11, 2021
Flexible drive shaft for greeting cards and the like
HALLMARK CARDS0 citations60
US8881439B2Nov 11, 2014
Greeting card with spinner activated multimedia content
HALLMARK CARDS2 citations51
US10515568B2Dec 24, 2019
Flexible drive shaft for greeting cards and the like
HALLMARK CARDS0 citations49